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Absorption type low-temperature drying tower

A drying tower, absorption technology, applied in food preservation, other dairy products, dairy products, etc., can solve the problems of destroying the biological activity factor of milk powder and high drying temperature, and achieve the advantages of short heating time, high product quality, and improved evaporation capacity. Effect

Inactive Publication Date: 2010-12-22
哈尔滨开心乳业投资有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the drying temperature of the existing drying tower is as high as above 80°C, which destroys the biological activity factors of milk powder, and provides an absorption low-temperature drying tower

Method used

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  • Absorption type low-temperature drying tower

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Effect test

specific Embodiment approach 1

[0007] Specific implementation mode one: combine figure 1 Describe this embodiment, this embodiment comprises drying tower 1, heater 4, discharge valve 7, powder collecting hopper 8, air cleaner 12, peristaltic spray pump 14, several cloth bag duster 17, two-fluid spray gun 18, cycle Pump 2, condenser 3, throttle valve 5, vacuum fan 6 and automatic drainer 16, the bottom of the drying tower 1 is a cone 1-1, the powder collecting hopper 8 communicates with the bottom of the cone 1-1, and the discharge valve 7 is installed at the feed inlet of the powder collecting hopper 8, and several bag dusters 17 are evenly distributed on the upper part of the inner cavity of the drying tower 1, and the double-fluid spray gun 18 is arranged in the middle of the inner cavity of the drying tower 1, and the double-fluid spray gun 18 The top is respectively connected with the heater 4, the air cleaner 12 and the peristaltic spray pump 14 through three pipelines, the throttle valve 5 is installe...

specific Embodiment approach 2

[0008] Specific implementation mode two: combination figure 1 Illustrate this embodiment, the difference between this embodiment and the specific embodiment one is that it also increases desaturation air curtain 9 and desaturation fan 11, desaturation air curtain 9 is contained in the cone 1-1 place of drying tower 1, desaturates The saturation blower 11 is connected with the desaturation air curtain 9 through a pipeline. The desaturation fans 11 are respectively connected with the electric control box 15 through wires. Such a design relatively prolongs the drying time, and avoids material agglomeration and moisture exceeding the standard in the drying tower 1 . Other components and connections are the same as those in the first embodiment.

specific Embodiment approach 3

[0009] Specific implementation mode three: combination figure 1 This embodiment is described. The difference between this embodiment and the first embodiment is that it also adds a temperature regulator 10, and the temperature regulator 10 is installed on the pipeline between the desaturation air curtain 9 and the desaturation fan 11. The temperature regulator 10 is connected with the electric control box 15 through wires. The temperature regulator 10 is used to adjust the temperature of the desaturation air curtain 9 . Other components and connections are the same as those in the first embodiment.

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Abstract

The invention discloses an absorption type low-temperature drying tower, relates to a drying tower, and solves the problem that the drying temperature of the conventional drying tower is over 80 DEG C so as to damage bioactive factors of milk powder. A powder collecting hopper is communicated with the bottom of the drying tower; a discharging valve is arranged at a feed port of the powder collecting hopper; a plurality of cloth bag powder applying devices are uniformly distributed on the upper part of a cavity of the drying tower; and a dual-fluid spray gun is arranged in the middle of the drying tower. The top end of the dual-fluid spray gun is connected with a heater, an air purifier and a peristaltic spray pump through three pipelines; a throttling valve is arranged at an output end of the heater; a vacuum fan is communicated with the drying tower through a pipeline; an input end of a condenser is communicated with the drying tower through a pipeline, and an output end of the condenser is connected with an input end of the heater; an input end of a circulating pump is connected with an air heat exchanger inside the condenser, and an output end of the circulating pump is connected with an air inlet of the condenser; and an automatic drainer is arranged at the bottom of a condenser box body. The absorption type low-temperature drying tower is used for drying milk powder, viable bacteria biological products, and the like.

Description

technical field [0001] The invention relates to a drying tower. Background technique [0002] The existing drying tower is in the form of down-flow drying, and a cyclone separator or bag powder duster is installed outside the tower. The principle is that the concentrated and evaporated thick milk enters the high-pressure pump through the preheater, and the temperature is 12.0---18.0Mpa. The pressure passes through the atomization spray gun device, sprays into tiny mist droplets and sprays them into the tower; the tiny mist droplets fully contact with the hot air in the tower, and complete heat exchange and mass exchange in an instant, so that the moisture of the dense material mist droplets evaporates instantly and dries into The milk powder falls freely to the cone bottom of the powder tower, and the dry milk powder is discharged from the tower mouth and enters the fluidized bed. The disadvantage of this structure is that the drying temperature is as high as above 80°C, wh...

Claims

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Application Information

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IPC IPC(8): A23C1/04A23P1/06A23L3/40
Inventor 宋清杭志奇
Owner 哈尔滨开心乳业投资有限公司