CN103131500A

CN103131500A - Organic carbon and manufacturing method thereof

Info

Publication number: CN103131500A
Application number: CN2011103876589A
Authority: CN
Inventors: 仇峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-11-25
Filing date: 2011-11-25
Publication date: 2013-06-05

Abstract

The invention discloses a manufacturing method of organic carbon. The manufacturing method of the organic carbon comprises the production processes of material preparation, namely dewatering and drying are carried out on organic rubbish which is picked out of rubbish, and moisture content of the organic rubbish is enabled to be less than 15%; stirring and mixing, namely the organic rubbish is put into a stirring machine after being well dried and is stirred by adding a balanced amount of alkali lignin, wherein the adding amount of the alkali lignin is determined according to the components of the organic rubbish and is generally more than 20% larger than the weight of all materials; cold-state mould pressing, namely the mixture is placed on a mold and is pressed under the condition that pressure of the cold-state is 50-90 MPa, the density of the materials is enabled to be 0.9-1.4 g / cm 3, and finally the materials are pressed in the steel mold and is fixed by a mold hasp; carbonization, namely the materials well fixed by the hasp are put into a carbonization furnace and the carbonization is carried out on the materials at the temperature of 400-1000 DEG C; and demolding, namely the demolding is carried out on the materials after the materials are cooled and then finished organic carbon is obtained.

Description

A kind of organic charcoal and manufacture method thereof

[technical field]

The present invention relates to a kind of charcoal and Assessment of MSW Disposal Technologies field.

[background technology]

traditional charcoal processing adopts solid wood or yule logs as raw material, at present because the factors such as the forest reserves are deficient, policy restriction, the high restriction of raw materials cost are replaced gradually by machine-made carbon, machine-made carbon is take sawdust as main raw material, the drying stove is dried into the suitable standard starting material of humidity, enter the screw extruding forming machine after cooling, again through high temperature, high pressure plasticizing aftershaping is work in-process firewood rod, form the finished product machine-made charcoal through the charring furnace charing, branch, rice husk, the bamboo bits, peanut skin, sunflower seed shell, furfural dregs, schlempe, bagasse, corn cob, Exocarpium cocois (Cocos nucifera L), after coffee shell and southern and northern crops stalk crushing, also can use, but because the screw extruding forming machine often needs to pulverize several times to the fineness requirement height, energy consumption is larger, matching method need be groped to adjust in addition, in actual applications less, from the manufacturing analysis of prior art charcoal, pure solid wood carbon feedstock is single, is substituted, and machine-made carbon is because there is the narrow deficiency of raw material in extrusion forming technology.

rubbish is the solid waste that produces in mankind's daily life and production, and because output is large, complicated component is various, brings difficulty to disposal and utilization, as can not in time processing or deal with improperly, just pollutes the environment, and affects environmental health, in the prior art treating method for urban garbage, extensively adopt both at home and abroad at present and mainly contain sanitary landfill, During High-Temperature Composting and burning etc., burning can cause the atmosphere dioxin contamination, and the waste of sanitary landfill land resources is serious, can cause soil pollution for landfill area, and might pollute surface water and groundwater, compost can cause heavy metal contamination to soil, and because fertilizer component is complicated, minimizing reality is less, , think according to a Research statistics, Chinese MSW research is the high humidity composting, its complicated component, bagged articles content is high, general method can't normally effectively be classified, moisture is large, average moisture 50%, limit moisture is up to 70%, calorific value is low, the kitchen is remaining and dregs class content is high, its typical composition is: organism comprises that animal and plant accounts for weight 65.20%, inorganics comprises that ashes masonry dregs accounts for weight 20.06%, the waste product class comprises and accounts for weight 13.74%, comprising stationery 1.3%, plastics 11%, dry goods 0.5%, pottery 1.04%, glass 0.26%, metal 0.64%, rubbish average moisture 50%, see from above composition, organism comprises that animal and plant accounts for weight 65.20%, and has the waste product class of calorific value to comprise that stationery, plastics, dry goods account for weight 12.80%, adds up to calorific value and utilizes rubbish to account for weight to reach 78%, analyze from the prior art treating method for urban garbage, all there is the defective of environmental pollution in the burning and burying compost, and waste resources does not obtain fine utilization.

The major technique of pulping and paper-making is exactly the xylogen that removes in wood fibre, one of the by product that it is main xylogen is a class macromole organic materials, due to its complex structure, biological degradation is difficult, it is the main organic pollutant of paper industry, if insufficient utilization flows into rivers and lakes, cause serious environmental pollution and a large amount of wastings of resources.Woodenly have more than 1,000 ten thousand tons the annual pulping and paper-making of China is available, past is most of with paper waste exhaust emission environment, the overwhelming majority is burned processing now, administer from the prior art black liquor of pulp making and analyze, there is the defective of the wasting of resources in burning, and a large amount of Liginon Resources remains to be developed.

[summary of the invention]

The object of the invention is to overcome the single narrow defective of charcoal processing raw material in above prior art, a kind of organic charcoal is provided, it has effectively utilized organic garbage of city and slurrying Liginon Resource; Another object of the present invention is to overcome the defective of charcoal processing extrusion molding in above prior art, a kind of manufacture method of organic charcoal is provided, adopt the integrated approach of charing in cold conditions mold pressing and mould, realize extensiveization of the utilization of resources.

In order to achieve the above object, the technical solution used in the present invention is:

A kind of organic charcoal is characterized in that, described organic charcoal manufacturing cell comprises organic waste and alkali lignin two components at least; The technical solution used in the present invention has been expanded the selection of charcoal processing raw material, takes full advantage of the characteristics of alkali lignin high heating value and high-adhesion, the low heat value of organic waste is accomplished effectively to replenish, and garbage-molding is played a key effect;

In order to achieve the above object, another technical scheme of the present invention's employing is:

A kind of manufacture method of organic charcoal comprises following production process: the preparation of (1) raw material, be with rubbish through the sorting after organic waste through dehydrating processing, make the organic waste water ratio below 15%; (2) mix, it is the dried stirrer that enters, applying the appropriate bases xylogen stirs, the add-on of alkali lignin is pressed component of refuse and is decided, generally greater than total more than 20% of weight of material, (3) cold conditions mold pressing is above mixture to be inserted adopt cold conditions to suppress under pressure 50～90MPa condition on mould, makes material density reach 0.9～1.4g/cm ³Last material is compressed in steel mould and cover mold plate snap close is fixed, (5) charing is the material that above snap close fixes to be entered the charing stove carry out charing (6) demoulding under 400～1000 ℃ of conditions of temperature, be the cooling rear demoulding the organic charcoal of finished product; It is characterized in that, rubbish through the sorting after organic waste after dehydrating with alkali lignin through mixing, the compacting of employing cold conditions is compressed on material in steel mould and cover mold plate snap close is fixed, again material is put the charing of charing stove together with mould, the rear material charing in mould of being heated, after cooling and demolding the organic charcoal of finished product.

Positively effect of the present invention is:

(1) expanded the selection of charcoal processing raw material, taken full advantage of the characteristics of alkali lignin high heating value and high-adhesion, the low heat value of organic waste has been accomplished effectively to replenish, and garbage-molding is played a key effect;

(2) a large amount of Liginon Resources that produce in pulping and paper-making can be fully used, and alleviate the pressure of slurrying environmental improvement, and resource utilization, innoxious and minimizing are accomplished in treatment of urban garbage;

(3) fashion of extrusion has been omitted in cold conditions compression moulding, mold pressing need to pulverize required operation and high energy consumption, but production capacity is large and mass-producing; and realize charing in mould, the charcoal of producing is regular, evenly; and char yield rate is high, and through refining stage, its fixed carbon content is also higher.

[embodiment]

The present invention below is provided concrete embodiment.But the invention is not restricted to following examples.

Embodiment

With municipal wastes through the sorting after organic waste through dehydrating processing, inputing to through the autotransmitter tool centrifugal dehydration drier that automatically adds discharging dehydrates, the centrifugal dehydration drier temperature is at 180 ℃, make msw water content reach 10%, put stirrer by the moving machinery that transmits after discharging, automatically add the alkali lignin that accounts for weight of material 30% in stirrer to carry out mix and blend; Again above material handling is entered chilling press side pressure feeder for 18Kg by weight, side pressure is sent into and is compressed under pressure 60MPa condition on rear main press die in steel mould and cover mold plate snap close is fixed, again material is put the charing of charing stove together with mould, the calcination stage temperature reaches 1000 ℃, and calcining is cooling after completing to go out the stove stripper member and be organic charcoal.

Claims

1. an organic charcoal, is characterized in that, described organic charcoal manufacturing cell comprises organic waste and alkali lignin two components at least.

2. the manufacture method of an organic charcoal, comprise following production process: the preparation (2) of (1) raw material mixes (3) cold conditions mold pressing (5) charing (6) demoulding, it is characterized in that, destructor plant through the sorting after organic waste after dehydrating with alkali lignin through mixing, the compacting of employing cold conditions is compressed on material in steel mould and cover mold plate snap close is fixed, again material is put the charing of charing stove together with mould, material charing in mould under 400～1000 ℃ of conditions of temperature, after cooling and demolding the organic charcoal of finished product.