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Continuous pressure spray boiling granulation drying system

A technology of boiling granulation and drying system, which is applied in the direction of drying of granular materials, drying of solid materials, and arrangement of drying gas, etc., to achieve the effect of improving the efficiency of granulation and heat exchange.

Pending Publication Date: 2019-04-09
无锡市林洲干燥设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a continuous pressure spray boiling granulation drying system, which solves the problem of dripping from the atomizing nozzle when the spray pressure is reduced

Method used

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  • Continuous pressure spray boiling granulation drying system
  • Continuous pressure spray boiling granulation drying system
  • Continuous pressure spray boiling granulation drying system

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Embodiment

[0034] Embodiment: a kind of continuous pressure spray boiling granulation drying system, such as figure 1 As shown, it includes a vertical drying tower 1, the bottom of the drying tower 1 is provided with a fixed fluidized bed 2, the top of the drying tower 1 is connected with a feed pipe 3, and the feed pipe 3 is connected to the drying tower 1 from near to far. There are high-pressure homogeneous pump 4, feed liquid filter 5, raw material tank 6 and clear water tank 7. The material is mixed with clean water to form a slurry, which is pumped into the feed pipe 3 by the high-pressure homogeneous pump 4 after passing through the feed liquid filter 5 to filter impurities, and the end of the feed pipe 3 is connected to the atomizing nozzle, which is located in the drying tower 1, the slurry is sprayed into the drying tower 1 after being atomized by the atomizing nozzle.

[0035] Such as figure 2 As shown, the feed pipe 3 between the high-pressure homogeneous pump 4 and the dr...

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Abstract

The invention relates to the field of drying equipment and in particular relates to a continuous pressure spray boiling granulation drying system comprising a drying tower; the bottom of the drying tower is provided with a fixed fluidized bed, and the top of the drying tower is connected with a feeding pipe; the feeding pipe is sequentially connected with a high-pressure homogenizing pump, a feedliquid filter, a raw material tank and a clear water tank from near to far away from the drying tower; a connecting pipeline for the high-pressure homogenizing pump and the drying tower is connected with an air blow pipe; and the air blow pipe is connected with a compressed air tank and is provided with a first electric valve. The spray pressure is automatically detected by utilizing a pressure sensor, and in match with the automatic blowing of compressed air, not only is the problem that a liquid is dropped from an atomizing nozzle when the spray pressure is reduced solved, but also the problem that a feeding pipe is blocked by a feed liquid during pump stopping is solved; hot air in the drying tower is pumped into a steam heat exchanger, the heat exchange effect is increased by utilizingwaste heat in the drying tower, and the energy saving and emission reduction effects are achieved; and the continuous pressure spray boiling granulation drying system has the advantages of continuousfeeding and continuous discharging, and the granulation efficiency is greatly increased.

Description

technical field [0001] The invention relates to the field of drying equipment, in particular to a continuous pressure spray boiling granulation drying system. Background technique [0002] Boiling granulation dryer is a kind of drying and granulation equipment with wide application, mainly used in various fields such as pharmaceutical, food, feed, pigment, chemical industry, etc. It generally has a granulation cylinder, a fluidized bed, a binder Atomizing nozzle, separator and air circulation system, the working principle is that the powder particles of the material are in a circular fluidized state in the raw material container, preheated and mixed by the purified heated air, and the adhesive solution is atomized and sprayed into it. Agglomerate several particles into pellets containing binder. Due to the continuous drying of the material by hot air, the water in the pellets evaporates and the binder solidifies. This process is repeated continuously to form ideal and unifor...

Claims

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Application Information

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IPC IPC(8): B01J2/16B01J2/04B01D50/00F26B3/08F26B17/10F26B21/00F26B25/00
CPCB01J2/04B01J2/16F26B3/08F26B17/10F26B21/004F26B25/005F26B2200/08B01D50/40
Inventor 周瑞君丁飞唐国振郁志芳
Owner 无锡市林洲干燥设备有限公司
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