CN101575543A - Coal gangue catalytic combustion additive - Google Patents

Abstract

The invention provides a coal gangue catalytic combustion additive. The additive comprises the following components of waste residue from potassium dichromate production, waste residue from sodium dichromate production, sodium aluminosilicate, ferrocene, ferric oxide, magnesium silicate, potassium permanganate, sodium dodeeyi benzene sulfonate, ammonium bicarbonate, industrial sodium chloride, rare earth elements, sodium carbonate, sodium nitrate and plant debris. The invention has the characteristics of catalytical combustion-supporting, sulfur fixing and coal gangue net calorific value combustion improving, enables the coal gangue to be sufficiently burnt and reduces the emissions of the harmful gas.

Description

Coal gangue catalytic combustion additive

Technical field

The present invention relates to a kind of combustion additive, relate in particular to a kind of coal gangue catalytic combustion additive.

Background technology

Continuous exploitation along with coal, the discharging of coal gangue is just many more, a large amount of stackings of coal gangue, not only cover the soil, influence ecological environment, spoil leaching water will pollute surrounding soil and underground water, and contain certain combustiblematerials in the coal gangue, issue in suitable condition and to be conigenous combustion, obnoxious flavour pollutant atmospheres such as discharging sulfurous gas, oxynitride, oxycarbide and flue dust influence the healthy of mining area resident.

Summary of the invention

The purpose of this invention is to provide and a kind ofly have catalytic combustion-supporting, solid sulphur and improve coal gangue low heat value combustioncharacteristics, coal gangue is fully burnt, reduce the coal gangue catalytic combustion additive of noxious gas emission.

In order to realize above-mentioned purpose, technical scheme of the present invention is:

Coal gangue catalytic combustion additive of the present invention is characterized in that being mixed and made into by the component of following weight per-cent:

The waste residue 10% of production potassium bichromate---15%

Produce the waste residue 10% of sodium dichromate 99---15%

Sodium aluminium silicate 8%---12%

Ferrocene 1%---2%

Manganse Dioxide 15%---20%

Ferric oxide 1%---2%

Aluminium sesquioxide 3%---9%

Magnesium Silicate q-agent 10%---15%

Potassium permanganate 3%---5%

Dodecyl phenenyl sulfate 3%---11%

Bicarbonate of ammonia 9%---15%

Technical grade sodium-chlor 5%---10%

Rare earth element 1%---3%

Yellow soda ash 5%---9%

SODIUMNITRATE 5%---9%

Canebreak 1%---3%

Beneficial effect of the present invention: production potassium bichromate waste residue, production sodium dichromate 99, sodium aluminium silicate, potassium manganate etc. are as oxygenant and catalyzer in the above-mentioned batching, and metal salt compound has solid sulphur effect, and Manganse Dioxide is coal-fired catalyzer, can consolidate sulphur simultaneously.The present invention has improved coal gangue low heat value combustioncharacteristics, and coal gangue is fully burnt, and reduces discharge of harmful gases, plays the discharging of economizing on coal and reducing pollutent.

Embodiment

Below by embodiment the specific embodiment of the invention is made and to further specify:

The present invention evenly mixes and makes after being crushed to small-particle by the component of following weight per-cent:

The waste residue 10% of production potassium bichromate---15%

Produce the waste residue 10% of sodium dichromate 99---15%

Sodium aluminium silicate 8%---12%

Ferrocene 1%---2%

Manganse Dioxide 15%---20%

Ferric oxide 1%---2%

Aluminium sesquioxide 3%---9%

Magnesium Silicate q-agent 10%---15%

Potassium permanganate 3%---5%

Dodecyl phenenyl sulfate 3%---11%

Bicarbonate of ammonia 9%---15%

Technical grade sodium-chlor 5%---10%

Rare earth element 1%---3%

Yellow soda ash 5%---9%

SODIUMNITRATE 5%---9%

Canebreak 1%---3%

Above-mentioned batching has catalytic combustion-supporting, solid sulphur, improves coal gangue low heat value combustioncharacteristics, promotes that coal gangue fully burns, and reduces the discharging of waste gas and wastes.

Embodiment 1 is a coal gangue catalytic combustion additive preferred embodiment of the present invention, select for use the component of following weight per-cent to be crushed to small-particle after, evenly mix and make:

The waste residue 11% of production potassium bichromate

Produce the waste residue 11% of sodium dichromate 99

Sodium aluminium silicate 9%

Ferrocene 1%

Manganse Dioxide 15%

Ferric oxide 1%

Aluminium sesquioxide 5%

Magnesium Silicate q-agent 10%

Potassium permanganate 3%

Dodecyl phenenyl sulfate 6%

Bicarbonate of ammonia 10%

Technical grade sodium-chlor 5%

Rare earth element 2%

Yellow soda ash 5%

SODIUMNITRATE 5%

Canebreak 1%

Coal gangue catalytic combustion additive of the present invention is suitable coals spoil low calorie fuels not only, can also use low-calorific-value solid fuels such as slag, resinous shale, low grade coal, can improve the combustioncharacteristics of these low calorie fuelss, rate of combustion improves 30%-50%, sulfur in smoke descends 40%, reduces that coal gangue is stacked land used and to the pollution of environment.

Claims (2)

1, a kind of coal gangue catalytic combustion additive is characterized in that being mixed and made into by the component of following weight per-cent:

The waste residue 10% of production potassium bichromate---15%

Produce the waste residue 10% of sodium dichromate 99---15%

Sodium aluminium silicate 8%---12%

Ferrocene 1%---2%

Manganse Dioxide 15%---20%

Ferric oxide 1%---2%

Aluminium sesquioxide 3%---9%

Magnesium Silicate q-agent 10%---15%

Potassium permanganate 3%---5%

Dodecyl phenenyl sulfate 3%---11%

Bicarbonate of ammonia 9%---15%

Technical grade sodium-chlor 5%---10%

Rare earth element 1%---3%

Yellow soda ash 5%---9%

SODIUMNITRATE 5%---9%

Canebreak 1%---3%.

2,, it is characterized in that being mixed and made into by the component of following weight per-cent according to the described coal gangue catalytic combustion additive of claim 1:

The waste residue 11% of production potassium bichromate

Produce the waste residue 11% of sodium dichromate 99

Sodium aluminium silicate 9%

Ferrocene 1%

Manganse Dioxide 15%

Ferric oxide 1%

Aluminium sesquioxide 5%

Magnesium Silicate q-agent 10%

Potassium permanganate 3%

Dodecyl phenenyl sulfate 6%

Bicarbonate of ammonia 10%

Technical grade sodium-chlor 5%

Rare earth element 2%

Yellow soda ash 5%

SODIUMNITRATE 5%

Canebreak 1%.