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Drying process of bagasse charged to boiler

A drying process, bagasse technology, used in drying solid materials, heating to dry solid materials, furnaces, etc.

Inactive Publication Date: 2012-04-04
NANNING TIANSHENG TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the patent of the present invention is to provide a flue gas drying process of bagasse into the furnace, so as to overcome the various shortcomings of the current bagasse drying technology

Method used

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  • Drying process of bagasse charged to boiler
  • Drying process of bagasse charged to boiler

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Embodiment Construction

[0010] Such as figure 1 Shown is the process of a bagasse drying equipment into the furnace according to the embodiment of the patent of the present invention. It consists of a bran removing fan (1), a wind separation and degassing device (4), an air drying tube (6), a bagasse cyclone (7), It is composed of a drying fan (8) and a sugarcane cyclone (10). The structure of the wind separation device (4) is as follows figure 2 As shown, it is composed of an air inlet pipe (3), a feed hopper (2), an air flow selection pipe (11), a bran gas pipe (12), a bagasse discharge hopper (13) and a mechanical stirring device. Among them, the feeding hopper (2) and the bagasse removal hopper (13) are both equipped with a gas lock discharge valve (5); the mechanical stirring device is composed of an electric drive device (17), an end bearing (16), and a central shaft (15) It is composed of mixing blades (14), and the electric driving device (17) is a combination of a motor and a reducer.

[001...

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Abstract

The invention relates to a drying process of bagasse charged to a boiler. The drying process is characterized by comprising the steps of: carrying out airflow separation on the bagasse charged to the boiler by using air or smoke, separating fine sugarcane bran from the bagasse, and drying the bagasse subjected to bran removal by using flue gas. The sugarcane bran subjected to air separation can be directly sprayed into the boiler for combustion or charged into the boiler after subjected to cyclone separation. According to the process disclosed by the invention, the detonation which is possibly caused by charging dried fine sugarcane bran to the boiler, because the grain fineness distribution of the bagasse charged to the boiler is wide, can be avoided, the cyclone separation load brought by full material drying is lightened, and therefore the purposes of reducing the power consumption, reducing the equipment abrasion, improving the equipment safety rate and the like are achieved.

Description

Technical field [0001] The patent of the invention relates to a drying method of pulverized wood fiber materials, in particular to a process for drying the flue gas of bagasse into the furnace in a sugar cane sugar factory. Background technique [0002] Bagasse is the main fuel for boilers in sugarcane sugar factories. There are two ways to save energy in sugar factories: one is to improve boiler efficiency, and the other is to save electricity and steam. To improve boiler efficiency, it is necessary to reduce the heat loss of boiler operation. The heat loss of boiler operation is mainly the heat loss of exhaust gas and the heat loss of chemical and mechanical incomplete combustion. The exhaust heat loss is generally 10-20%, so a large amount of heat is lost from the chimney into the atmosphere. On the other hand, the water content of bagasse into the furnace is about 50%. During combustion, the water vaporizes and absorbs a lot of heat. The lower the water content of bagasse,...

Claims

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Application Information

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IPC IPC(8): F26B3/02B07B7/00F23K3/02
Inventor 周少基
Owner NANNING TIANSHENG TECH
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