Air flow and high frequency combined lignite drying device and process

A combined drying and high-frequency drying technology, applied in the directions of drying gas arrangement, preliminary treatment to promote the drying of solid materials, and combination of dryers, etc. The effect of reducing fuel consumption, reducing losses, and reducing CO2 emissions

Active Publication Date: 2012-09-12
SHANDONG TIANLI DRYING TECH & EQUIP
View PDF7 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the stage of drying at reduced speed, the moisture in lignite drying is mainly internal moisture, and the variation law of the drying rate has been related to the properties and internal structure of the material. The general performance is that the transfer rate of moisture from the

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Air flow and high frequency combined lignite drying device and process
  • Air flow and high frequency combined lignite drying device and process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0029] figure 1 Among them, the airflow and high-frequency combined drying lignite device of the present embodiment is composed of airflow dryer 4, high-frequency dryer 12, external heat exchanger 13, feed bin 1, feeding screw machine 2, fan I11, fan II14 , cyclone dust collector 8, bag dust collector 9, electric heater I5, electric heater II6, oil furnace 7, fan coal mill 3 and discharge valve 10.

[0030] The feeding place of the airflow dryer 4 is connected with the feed screw machine 2, and the feed bin 1 cooperates with the feed screw machine 2 to form a feeding device, and the airflow dryer 4 is also connected with two fan coal mills 3 .

[0031] The smoke inlet of the airflow dryer 4 is connected to the outlet of the electric heater II6, the inlet of the electric heater II6 is connected to the outlet of the fuel burner 7, the electric heater II6...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses an air flow and high frequency combined lignite drying device and an air flow and high frequency combined lignite drying process. The air flow and high frequency combined lignite drying device comprises an air flow dryer, a high frequency dryer, an external heat exchanger, a feeding device, a compression device, a dust removal system and a hot flue gas generation device, wherein a feeding part of the air flow dryer is connected with the feeding device; a flue gas inlet part of the air flow dryer is connected with the hot flue gas generation device; a discharge part of the air flow dryer is connected with the dust removal system; the dust removal system is connected with the high frequency dryer and the compression device I; the compression device I is connected with the external heat exchanger and the hot flue gas generation device; the external heat exchanger is connected with the high frequency dryer through a ventilation system and is also connected with the compression device II; and the external heat exchanger and the high frequency dryer can be emptied. The air flow and high frequency combined lignite drying device and method have the advantages of safety, energy conservation, high efficiency, environmental friendliness and the like.

Description

technical field [0001] The invention relates to a lignite drying device and process, in particular to a device and a process for drying lignite in combination with air flow and high frequency. Background technique [0002] Hot flue gas direct contact drying uses high-temperature flue gas to directly contact lignite to remove moisture in lignite. It has the advantages of simple process, convenient operation, large processing capacity, and easy industrialization. It is a relatively mature lignite drying technology at present. [0003] There are constant-speed drying stage and falling-speed drying stage in lignite hot flue gas drying. In the constant-speed drying stage, the moisture in lignite drying is mainly external moisture, the drying rate is faster, and the energy utilization rate is high. In the stage of drying at reduced speed, the moisture in lignite drying is mainly internal moisture, and the variation law of the drying rate has been related to the properties and int...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): F26B20/00F26B1/00F26B21/14F26B25/00
Inventor 李捷王宏耀吴静史勇春李选友王成运赵改菊尹凤交员冬玲
Owner SHANDONG TIANLI DRYING TECH & EQUIP
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap