Energy-saving electromagnetic heating type tea leaf drying machine

An electromagnetic heating device and drying machine technology, which is applied in tea processing before extraction, etc., can solve the problems of inaccurate temperature control and low thermal efficiency, and achieve the effects of reducing energy loss, high thermal efficiency, and fast speed

Inactive Publication Date: 2015-03-25
宁波市姚江源机械有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problems existing in the prior art, the purpose of the present invention is to overcome the existing deficiencies such as low thermal efficiency and inaccurate temperature control of the existing electric heating tube heating dryer, and provide a new energy-saving drying equipment for electromagnetically heated tea leaves. The electromagnetic heating method is combined with the oil-air heat exchange device to form hot air, and the product in process is dried through the hot air; at the same time, with the help of the optimized design of the dryer chassis structure, temperature measurement and temperature control system, and air intake mode, the drying process is realized. Energy-saving, simple, efficient, high-quality operation

Method used

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  • Energy-saving electromagnetic heating type tea leaf drying machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] As shown in the figure, an electromagnetic heating tea energy-saving dryer includes a dryer support structure, an electromagnetic heating hot air generating system, a feeding and conveying system, electrical appliances, and a temperature control system.

[0022] The supporting structure of the dryer mainly includes a dryer main box 30 , a main body front support 31 , a main body rear support 32 , machine feet 33 , a heat preservation door panel 17 , an observation door 9 , a front side door 34 and a rear side door 35 . The front support 31 of the main body and the rear support 32 of the main body are fixedly arranged at the bottom of the main cabinet 30 of the dryer. The machine feet 33 are fixedly arranged on the front support 31 of the main body and the bottom of the rear support 32 of the main body. The heat preservation door panels 17 are fixedly arranged on the front and back sides of the main box body 30 of the dryer. The observation door 9 is arranged on the rig...

Embodiment 2

[0028] First turn on the main power switch of the electric control cabinet 29 of the electromagnetic heating tea energy-saving dryer and the main power switch of the electromagnetic heating controller 25, set the temperature required for the drying operation, and then start the electromagnetic heating operation power supply and the feeding and conveying system successively When the power is turned on, the electromagnetic heating device 4 immediately starts to heat the heat transfer oil, heats the air through the oil-air exchanger 5, and blows it into the main box body 30 of the dryer by the axial flow fan 3. When the temperature reaches the set value, the product in process is poured into the feeding and conveying system, and the feeding speed is adjusted through the speed control switch on the main control cabinet 29 to make it reach the best state. The in-progress product is evenly sent into the main box body 30 of the dryer through the uniform leaf device 16 of the feeding c...

Embodiment 3

[0030] When the new electromagnetic heating tea energy-saving dryer is used for drying operation, the drying temperature is set to 115°C through the control device, and the speed of the chain plate is adjusted to 700rpm, and the wind speed is 10m / s. After the temperature reaches the set value, the curly-shaped green tea in-process with a moisture content of 13% is put in from the feeding place, and the in-process green tea advances with the punching chain plate in the box, gradually falls from the upper layer to the lower layer, and finally is output from the conveyor belt In this process, the water is evaporated by hot air to achieve the purpose of dryness.

[0031] Table 1 Sensory evaluation results of tea samples with different drying treatments

[0032]

[0033] Note: Biluochun dryer is used in traditional drying equipment.

[0034] From the sensory evaluation results of tea samples with different treatments in the implementation examples, it can be seen that after the...

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Abstract

The invention relates to an energy-saving electromagnetic heating type tea leaf drying machine, belonging to the technical field of tea leaf processing machines. The energy-saving electromagnetic heating type tea leaf drying machine comprises a drying machine main box body and a loading and conveying system, wherein an electromagnetic heating type hot air generation system is arranged in the drying machine main box body and comprises a heat transfer oil pump, an electromagnetic heating device, an oil-air interchange chamber and a fan case chamber, wherein an oil-air interchanger is arranged in the oil-air interchange chamber, an axial flow fan opposite to the oil-air interchanger and an operating device for driving the axial flow fan are arranged in the fan case chamber, the heat transfer oil pump is connected with the oil-air interchanger by an oil inlet pipeline, the oil-air interchanger is connected with the electromagnetic heating device by an oil outlet pipeline, and the electromagnetic heating device is connected with the heat transfer oil pump. The processed tea leaf is green in color and luster, is fragrant and has fresh taste, and the energy-saving electromagnetic heating type tea leaf drying machine has higher examination scores than those of the traditional drying machine type, and has excellent performances in production.

Description

technical field [0001] The invention belongs to the technical field of tea processing machinery, and in particular relates to an electromagnetically heated tea energy-saving dryer. Background technique [0002] At present, the drying methods used in production mainly include drying, frying, drying, etc., and the corresponding supporting equipment includes dryers (hand-pulled louver dryers, mesh belt dryers, chain plate dryers, etc.), Frying and drying machines (pan-type frying and drying machines, bottle-type frying and drying machines, cylinder-type frying and drying machines, etc.) It was gradually eliminated due to its shortcomings, and now it is only used to make low-grade teas such as black hair tea. Drying and frying are currently the most widely used in production, and the flavor and quality of the processed products have their own characteristics. According to the research of Yin Junfeng et al., the frying and drying process is helpful to obtain a sharp aroma quali...

Claims

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Application Information

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IPC IPC(8): A23F3/06
Inventor 王岳梁尹军峰郝国双袁海波崔娟娟邓余良滑金杰
Owner 宁波市姚江源机械有限公司
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