Raw materials for the manufacture of granules

 

(57) Abstract:

The invention relates to the manufacture of pellets and can be used in the manufacture of pellets from raw materials based on wood particles. Raw materials for the production of pellets from wood particles, including fine wood particles, such as fine wood particles contains waste plates, and as waste production of wood-based panels can be used, for example, grinding dust. The technical result consists in obtaining granules having wide application for technical carbon, AU, and improving the environment by disposing of environmentally hazardous fine waste production of wood-based panels, the exclusion of the economic costs of enterprises Board industry for repayment fines for the export of environmentally hazardous waste in a landfill. 1 C.p. f-crystals, 4 PL.

The invention relates to the manufacture of pellets and can be used in the manufacture of pellets from raw materials based on wood particles.

Known granule produced by granulation of raw material in the form of fine particles, namely dust open-hearth furnaces, COI, it allows you to use only powdered waste open-hearth furnaces.

Known pellet made by pressing wood waste or other cellulose-containing materials with the use of additives, such as binders (application WO 96/05953 A1, class B 27 N 1/00, publ. 29.02.96 - prototype).

A disadvantage of the known technical solution is that it does not provide for the use of such environmentally hazardous wood waste as fine wood particles - waste production of wood-based panels. In addition, it requires the use of additives, binders and is therefore economically disadvantageous option and complicates the production of pellets.

The purpose of the invention is the expansion of raw materials: obtain granules having wide application: improving the environment by recycling of fine waste production of wood-based panels: an exception to the economic costs of enterprises Board industry for repayment fines for the removal of environmentally hazardous waste in a landfill.

This objective is achieved in that the raw materials for the manufacture of granules comprising fine particles as the fine particles contains AWANA, for example, grinding dust.

The invention has the following differences from the prototype:

- raw materials for the manufacture of granules as fine particles contains waste wood boards:

as waste production of wood-based panels used, for example, grinding dust.

This allows you to expand the raw material base: to obtain granules having wide application: to improve the environment by recycling of fine waste production of wood-based panels: to eliminate the economic costs of enterprises Board industry for repayment fines for the removal of environmentally hazardous waste in a landfill.

Viewed in us patent information the Fund has not found similar technical solutions, and solutions with these distinctive features.

The invention is applicable will be used at the enterprises of the industry in 1998-1999,

The pellet was prepared as follows.

Example

Granulation was carried out with the installation of Ohm to 1.5 A. quality of raw material used grinding dust production of wood-based panels (fresh or old). The particle size of grinding dust ranged from 50 MK to 1 mm Lanosterol, resulting from the washing process equipment. Humidity pressed pellets were 5.8 to 6.5%. The obtained granules were resorcinols on a sieve with the hole diameter 10 mm Fraction from the tray back into the hopper for feeding the granulator again.

Table 1 presents the results of the granulation.

From table 1 it is seen that when the granulation provides a high output conforming granules, the value of which somewhat varies depending on the ratio of the mass of water to mass of dispersed particles, the quality of the grinding dust, which is determined by the period of time elapsed since the pressing plates, and the type of water used. All parameters are in the review stage and are about.

It should be noted that the process of granulation of fine waste production of wood-based panels is very simple, does not require the use of scarce components, because the waste contains incompletely utverjdenie binder, and low humidity waste excludes costs of electricity and heat for their drying.

To identify properties that provide the scope, the obtained pellets were subjected to burning, (i.e., were the us wood and active carbons. The experiments were carried out at the Cherepovets PMK, CNILKHI and in the Krasnoyarsk Academy of technology. The results of the experiments are presented in tables 2, 3, 4.

Analysis of the results of the experiments showed that manufactured in accordance with the invention, the granules may be used:

- to obtain activated carbons used as sorbents of hazardous substances industrial air emissions and effluents, including for the absorption of radioactive substances;

- for technical carbon, used as a sorbent oil;

- for wood coal used as a reducing agent in metallurgy: manufacture of rubber in the tire industry;

as the fuel used in the boiler.

Thus, the invention allows to expand the raw material base for production of pellets; to obtain granules having wide application; to improve the environment by recycling of fine waste production of wood-based panels containing incompletely utverjdenie binder; exclude economic costs of enterprises Board industry for repayment fines for the removal of environmentally hazardous waste at St. Ernie particles, characterized in that, as the fine wood particles it contains waste wood boards.

2. Raw materials under item 1, characterized in that as a waste of the production of wood-based panels used, for example, grinding dust.

 

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