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Heat pump type tail heat recovery and penetrating counterflow fluidized drying machine

A tail heat recovery and fluidized drying technology, applied in the direction of heating to dry solid materials, dryers, drying solid materials, etc., can solve the problems of personnel and equipment safety accidents, strong vibration, etc., and achieve high drying quality and extended use The effect of long life and low fan power consumption

Active Publication Date: 2015-11-18
JIANGSU XUEMEI REFRIGERATION EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Once part of the hardened dust is shaken off, it will immediately leave the dynamic rotation balance of the induced draft fan, and then generate strong vibration, which may cause serious personnel and equipment safety accidents

Method used

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  • Heat pump type tail heat recovery and penetrating counterflow fluidized drying machine
  • Heat pump type tail heat recovery and penetrating counterflow fluidized drying machine
  • Heat pump type tail heat recovery and penetrating counterflow fluidized drying machine

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Embodiment Construction

[0032] Now in conjunction with accompanying drawing, the present invention is described in further detail.

[0033] Such as figure 1 , figure 2 , image 3 and Figure 4The shown heat pump tail heat recovery penetrating countercurrent fluidized dryer includes a drying tower 1 and an induced draft fan A. The upper part of the drying tower is provided with a material-sealed screw feeder 4, and the bottom is provided with an air locker discharger 11; the upper part of the drying tower is Connect the induced draft fan A, and the induced draft fan A is evacuated after being connected to the evaporator 22 of the heat pump system through the cyclone dust collector 21; the evaporator 22 of the heat pump system is connected to the main engine 25 through the refrigerant pipe 24, and the main engine 25 is connected to the condenser 26 through the refrigerant pipe 24; The outlet end of 27 is connected to the lower part of the drying tower through the condenser 26; the induced draft fan...

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Abstract

The invention discloses a heat pump type tail heat recovery and penetrating counterflow fluidized drying machine. A material seal spiral feeding machine is arranged on the upper portion of a drying tower, and an air-lock valve discharging machine is arranged at the bottom of the drying tower. The upper portion of the drying tower is connected with an inducted draft fan, and the induced draft fan is connected with an evaporator of a heat pump system through a cyclone dust collector, and then evacuation is carried out. The evaporator of the heat pump system is connected with a main engine through a refrigerant pipe, and the main engine is connected with a condenser through a refrigerant pipe. The air outlet end of an air blower is connected with the lower portion of the drying tower through the condenser. An impeller of the induced draft fan is provided with a structure with hollow inverted-drop-shaped blades and a dish-shaped back plate. The contour line of the appearance of the induced draft fan is an involute. Screen mesh cone covers, screen mesh cone discs, a blanking tube, a telescopic vibration transmission shaft and a conical plug are arranged, so that penetrating, counterflow, boiling and fluidized drying on materials are achieved ingeniously and perfectly, and a classic boiling counterflow drying mode is thoroughly exceeded; and more energy is achieved, the drying quality is higher, the power consumption of the fan is lower. The heat pump type tail heat recovery and penetrating counterflow fluidized drying machine is especially suitable for recovery of heat of low-temperature tail gas.

Description

technical field [0001] The invention relates to a dryer, in particular to a heat pump tail heat recovery penetrating countercurrent fluidization dryer in which the fan does not accumulate dust. Background technique [0002] People generally refer to drying with a drying temperature below 60 degrees Celsius as low-temperature drying. Low-temperature drying is widely used in the drying of heat-sensitive materials such as crop seeds, Chinese medicinal materials, and biological products. Due to its mature technology, strong adaptability, low operating cost and high reliability, hot air dryer is still one of the first choice equipment for low temperature drying. Low-temperature drying is less easy to recover tail heat due to the lower exhaust temperature. If the penetrating countercurrent fluidized drying of materials can be realized in the hot-air low-temperature drying process, and the tail heat can be effectively recovered, it will be of great significance for improving dryin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B17/14F26B21/00F25B27/02F26B3/08F04D29/28F04D29/30F04D29/42F04D29/66F04D29/70
CPCY02A30/274Y02P70/10
Inventor 银永忠姚茂君李志平张旭杨正华
Owner JIANGSU XUEMEI REFRIGERATION EQUIP
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