An energy-saving closed-loop spray drying system

A closed-circuit circulation and drying system technology, applied in the direction of spray evaporation, evaporator adjustment/control, evaporator accessories, etc., can solve the problem of large water evaporation, achieve the effects of ensuring chemical properties, reducing pollution, and increasing output efficiency

Active Publication Date: 2018-04-13
常州市海正药化设备有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the huge amount of water evaporation in this process, a large amount of energy is consumed

Method used

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  • An energy-saving closed-loop spray drying system

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Embodiment

[0030] Dry the cemented carbide compound with alcohol as solvent. As shown in the figure, the slurry is first sent to the degassing tank by the vacuum pump to separate the air in the slurry, and then sent to the filter to filter the slurry. The slurry is pressurized by a vacuum pump, and sent to the atomizer located in the spray drying tower for atomization. Since the spray drying tower is filled with high-temperature nitrogen, the sprayed slurry and the working steam perform contact heat exchange, so that The slurry is dried instantly, forming granular products and generating mixed steam at the same time. The product enters the cyclone separator along with the working gas, and the cemented carbide mixture particles are discharged from the bottom of the cyclone separator. The mixed steam enters the circulation pipeline 1 and the circulation pipeline 2 through the induced draft fan, and the mixed steam entering the circulation pipeline 2 passes through the evaporator to cool th...

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Abstract

The invention discloses an energy-efficient closed-cycle spray drying system. The energy-efficient closed-cycle spray drying system comprises a vacuum pump, a degassing tank, a filter, an atomizer, a gas content detector, a spray drying tower, a cyclone separator, an induced draught fan, a refrigerant circulation loop, a heat exchanger, a nitrogen supplementary device, an electric heater, and the like. The energy-efficient closed-cycle spray drying system can be used for recycling and reusing of heat energy of steam discharged from drying towers, and recycling and reusing of organic solutions in the steam at the same time. In the energy-efficient closed-cycle spray drying system, high temperature nitrogen is taken as drying gas, so that product quality is improved effectively, and oxidation of products in production process is avoided.

Description

technical field [0001] The invention relates to an energy-saving and high-efficiency closed-circuit spray drying system, which is especially suitable for organic solution slurry and belongs to the technical field of drying. Background technique [0002] Spray drying technology was invented by La Mont and Percy et al. at the end of the 19th century. Due to the development of the food industry, this technology was first applied to the manufacture of skim milk powder, and later applied to food industries such as dairy industry, solid beverage, and solid condiment. It is also often used in detergent industry, pharmaceutical industry, ceramics, and environmental protection industries. Nowadays, through continuous improvement and innovation, this technology is also applied to the development of equipment with different liquid properties (such as concentration, viscosity, surface tension, etc.) and the development of drying aids. [0003] The spray dryer disperses the slurry into ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D1/18B01D1/30B01D5/00
CPCB01D1/0082B01D1/18B01D1/30B01D5/0003B01D5/0036B01D5/0039B01D5/006B01D5/0069B01D5/0072
Inventor 白建波蒋建军曹飞朱瑶俊李华锋罗朋
Owner 常州市海正药化设备有限公司
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