Multi-layer multi-stage large material mixing drying device and process

A drying device and material mixing technology, which is applied in the direction of dryer combination, progressive dryer, drying, etc., can solve the problems of high energy consumption and high pollution, and achieve the effects of sufficient drying, increased drying rate, and improved heat and mass transfer

Inactive Publication Date: 2011-11-09
洛阳瑞岛环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to propose a multi-layer and multi-stage large-scale mixing drying device. The present inve

Method used

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  • Multi-layer multi-stage large material mixing drying device and process
  • Multi-layer multi-stage large material mixing drying device and process
  • Multi-layer multi-stage large material mixing drying device and process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Such as figure 1 , figure 2 , image 3 As shown, the multi-layer multi-stage large-scale mixing drying device proposed in Example 1 is a three-layer three-stage drying of a high paste material, the upper and middle layers are pre-drying unit layers, and the lower layer is a refined drying unit layer; The bottom material is added to the middle layer before driving, steam is passed through the shaft with hollow blades to heat the bottom material, and the bottom material is stirred at the same time. After the bottom material rises to a certain temperature, the feeding screw installed on the upper part of the square shell adds For paste-like materials containing a certain amount of moisture, the lower side of the outer wall of the feeding screw has uniformly distributed discharge openings along the axial direction, and the paste-like materials containing a certain amount of moisture are evenly distributed into the drying device along the axial direction. Under the actio...

Embodiment 2

[0020] The multi-layer multi-stage large-scale mixing drying device proposed in this embodiment is a three-layer three-stage drying of liquid materials, and its overall structure is as follows: Figure 6 , Figure 7 , Figure 8 As shown, the upper layer and the middle layer are pre-drying unit layers, and the lower layer is a refined drying unit layer. The upper layer and the middle layer are added with primer before driving, and steam is passed into the shaft with hollow blades to heat the primer. After the bottom material is heated to a certain temperature, the reciprocating cloth sports car installed on the square shell drives the flexible distribution pipe to evenly distribute the liquid material to be dried into the drying device. Under the stirring action of the blade shaft, the initial addition The liquid material to be dried is quickly mixed with the heated dry material and wrapped on the surface of the hot dry particles. Under the heating of the blade wall, the water...

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Abstract

The invention belongs to the technical field of material drying, and mainly provides a multi-layer multi-stage large material mixing drying device. The device is formed by superposing 2 to 6 drying unit layers, wherein a drying unit layer for drying a water-containing powdery material and a pasty material consists of a square shell part, two shaft parts which are arranged in the square shell and are provided with hollow blades, and a material distribution spiral part; a drying unit layer for drying a liquid material consists of a square shell (3), two shafts (1) which are arranged in the square shell and are provided with hollow blades, and a charging pipeline driven by a reciprocating charging running vehicle, or a charging pipeline (2) with a material distribution spray nozzle; and the side wall of each drying unit layer is provided with a discharging opening, and the discharging openings of the drying unit layers are connected through pipelines. By a multi-layer multi-stage drying method, a material to be dried is uniformly distributed through a spiral device or the charging pipeline driven by the reciprocating charging running vehicle, and is mixed with a dried material arranged at the bottom of a dryer, and the mixture is stirred by the blades, so that the drying rate is improved; and by a multi-stage drying method, the material is more fully dried.

Description

technical field [0001] The invention belongs to the technical field of material drying, and mainly proposes a multi-layer and multi-stage large-scale mixing drying device. The invention is applied in chemical industry, environmental protection industry, energy industry, metallurgical industry and the like. Background technique [0002] Existing drying technologies: 1) Drying of water-containing powdery materials. The traditional drying of water-containing powdery materials mostly uses a rotary drum dryer, which consumes a lot of energy. Due to the large exhaust gas discharge, it is easy to cause dust pollution to the environment and occupies a large area. 2) Paste materials are dried. Traditional paste materials are dried using drum dryers, rotary flash dryers, and hollow paddle dryers. Drum dryers and spin flash dryers use hot air to dry, which consumes a lot of energy. Due to the large exhaust gas discharge, it is easy to cause dust pollution to the environment. The holl...

Claims

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Application Information

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IPC IPC(8): F26B20/00F26B15/12F26B17/20
Inventor 许建庄许渊许博
Owner 洛阳瑞岛环保科技有限公司
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