Method for producing humic-acid coal balls

Abstract

This invention relates to one kind of humic acid coal briquette the production method, after raw coal froth screening, smashing, is ready to be used; Joins the right amount clear water in the system fluid pot, pours into including the humic acid 45-55% lignite and the density is 96% fever alkali, passes over the steam to carry on the elevation of temperature, the vapor temperature for 100-105degree C, elevates temperature for 1-1.5 hours, the full agitation, causes the acid, the alkali to carry on and the response, forms the humic acid sodium solution; After will crush qualified the original dust coal after the leather belt input mixer, simultaneously even puts in the humic acid sodium solution the mixer and the original dust coal agitation is even, its area south of Yellow River dust coal and the humic acid sodium solution load ratio for 100:4, then the pile of bubbles 16-20 hours, causes the coal and the fluid infiltrates Run to adsorb fully; After piles the bubbles the Chalmette coal sends in the geosyncline, after the leather belt input powder lot machine, the elevator, the re-entry presses the ball machine, presses out fresh ball after class screen-out froth, by leather belt input helix, further after the froth lives the ball to distribute evenly in the coal spherical tank, carries on 15-18 hour elevation of temperature air seasoning to the wet bulb, after the coal briquette air seasoning, or gives the gas-producing fever after the coal briquette tank bottom department by the leather belt input coal briquette warehouse storage to use directly.

Description

technical field [0001] The invention relates to a production method of briquettes, in particular to a production method of humic acid briquettes. Background technique [0002] At present, using coal to produce gas is a commonly used method. Most of the coal used is lump coal. A large amount of crushed coal and pulverized coal in production coal are not suitable for gas production. If these coals cannot be used reasonably, they will be The cost of gas production is greatly increased. For this reason, most chemical fertilizer companies use crushed coal to make briquettes and then use it for gas production. High; and in recent years, clean water coal sticks, humic acid coal sticks, carbonized briquettes, etc. have good results in use, but there are the following problems: clean water coal sticks need to be added with clay as a binder, so the ash in the coal sticks The higher the ash content, the lower the fixed carbon, which will affect the amount of gas produced; because of t...

AI Technical Summary

Problems solved by technology

[0002] At present, using coal to produce gas is a commonly used method. Most of the coal used is lump coal. A large amount of crushed coal and pulverized coal in production coal are not suitable for gas production. If these coals cannot be used reasonably, they will be The cost of gas production is greatly increased. For this reason, most chemical fertilizer companies use crushed coal to make briquettes and then use it for gas production. High; and in recent years, clean water coal sticks, humic acid coal sticks, carbonized briquettes, etc. have good results in use, but there are the following problems: clean water coal sticks need to be added with clay as a binder, so the ash in the coal sticks The higher the ash content, the lower the fixed carbon, which will affect the amount of gas produced; because the ash content is high, the number of slagging in the gas furnace will be increased, which will affect the effective gas production time of gas production

so bad for production

Humic acid coal rods have too strict requirements on the crushing particle size of coal, and the proportion of particles with a diameter of less than 3mm cannot be greater than 10%, otherwise, the mechanical strength of humic acid coal rods is not guaranteed, so maintenance time and maintenance costs are high; and coal The parts of the rod machine are fragile and easy to damage. The material cost per ton of coal rods is about 7-8 yuan, and the production requires a lot of labor. Ton of coal rods / 0.5 people, such as gas production and burning of wet rods will increase the heating time of the up blowing and affect the effective gas production. time; if the coal sticks are dried for gas production, the overturning and deflection of the coal sticks during the drying process will increase the damage rate of the coal sticks and reduce the production efficiency; in addition, the storage and transportation of the coal sticks are very inconvenient and cannot be Mass production, storage and transportation

Carbonized briquettes, carbonized briquettes need lime as a curing binder, therefore, CO2 is needed in the process of curing and carbonization 2 Gas is used as the reaction condition, so a large amount of CO is consumed 2 gas to produce CO 2 The gas will increase the production cost; the calcium oxalate ash contained in the carbonized briquettes is very easy to stick to the equipment and pipelines, causing resistance and difficult to clean up, which will easily affect production; in the production of carbonized briquettes, the lime processing process has serious environmental pollution