Modified synthetic petroleum coke powder in glass kiln

Jun 06,2014
    Glass industry is an energy-intensive industries, the cost of fuel costs in glass, about 35% ~ 50% glass furnace is glass product line of most energy equipments. With a 450t/d float glass kiln, for example, by 3 tons of fuel consumption, using modified synthetic petroleum coke powder for fuel, assume every tons of fuel saving 500 yuan, then a kiln can save fuel costs for each year more than 1,500 yuan. In a horseshoe 10,000 tons of fuel consumption, burning kiln, under the same conditions, save fuel costs for 500 yuan.
With new energy to replace the traditional energy saving the nation, both for the precious oil resources for enterprises, and reduced the cost and increase the profit, improve the market competitiveness of products. Newly developed the sequence of emulsified fuel - energy and coke coke powder, not only save fuel operation cost, but also greatly reduces the consumption of enterprises. Use petroleum coke powder instead of fuel oil accord with national energy-saving technology policy and national development and     reform commission has listed in the "11th five-year plan" ten major energy conservation project implementation opinion.
Petroleum coke is one kind of porous structure and nonpolar hydrocarbons, belong to hydrophobic material. From now on the market have dozens of high-quality additives, powder equipment optimization of the normals of additives and equipment suitable for chemical synthesis, successful preparation out again, viscosity, higher concentration of small store a long life cycle, flow and has good performance of the combustion characteristic of emulsified coke and coke powder. The application of technology has been to the state intellectual property office to apply for invention patent and the patent for utility model has been accepted, both. Petroleum coke is the end product of the family of oil, petroleum, and the physical properties of thermal performance of oil.
Modified synthetic petroleum coke powder is a new kind of fuel, a study involving energy, polymer chemistry, etc, with the characteristics of interdisciplinary, technical difficulties. The development of industrial furnaces for success, especially the glass industry has developed a new kind of fuel system, can save fuel shortage of national resources, energy saving effect, and the economic benefit is remarkable.
According to the characteristics of glass kiln, and through a lot of cold and hot test proved that the modified synthetic petroleum coke powder completely suitable for use in glass kiln of combustion. At the same time, the modified synthetic petroleum coke powder in glass kiln of alternative fuel of technology are ripe.
In order to make the modified synthetic petroleum coke powder preparation and combustion technology has become more perfect and reliable, the domestic research unit through three stages of improvement and perfection, and finally make modified synthetic petroleum coke powder burning technology has successfully used in glass kiln in various conditions.
One is by dehydration, petroleum coke made its moisture content, and in more than 5% by electromagnetic iron broken, prevent iron materials into the raw material, its broken than to join the particle, 5mm below, damp-proof, additives, lubrication and help prevent caking conveying, and has certain effect, the combustion by ultrafine grinding to more than 200 meshes, then into the final. The entire process by collecting filters, exhauster, conveying system, and the effective combination of various dust point strict control, avoid dust in the whole production process, pressure operation.
Two is to control and burning. Modified synthetic petroleum coke powder is a kind of solid particles, the combustion process of fuel by air transport, coke powder and mix absorption, high temperature air combustion, volatile volatile carbon powders and combustion seven-pore five stages. A fuel fire, the combustible stable-combustion mainly includes three aspects with seven-pore, coke powder fire with seven-pore is two big difficulty. Through the changes of the combustion characteristics, zoom powder by wind and join with reasonable special additive technology, has fully captured the two problem, not only makes the coke powder ignition easy, and its seven-pore rate reached 99%.
Three is to send powder conveying system using spiral gas of coke powder, and sent into the fire control, length, furnace atmosphere and different areas of air, meet various demands of different cases of stable and effective combustion, ensure the quality of glass unaffected.
Modified synthetic coke powder in kiln in seven-pore rate is mainly composed of fuel in the retention period of furnace burning time of particles and the relationship of the decision, the fuel in the retention period of furnace by fuel particles in the running speed of the decision. The total time includes the combustion synthesis of coke burning powder modified five stages, which plays a leading role is carbon seven-pore process.
Experts research results, the conclusion is:
Burning time of carbon particles and the radius is proportional to the reaction of gas, and inversely proportional to the initial concentration, other parameter is experience.
Seven-pore rate of focal point falls on the size and distribution of the powder.
The length of the flame with particle size and stiffness are inversely proportional in glass kiln, and not the size of coke powder, at present, the research unit of modified synthetic petroleum coke powder seven-pore rate has reached 99%, can completely satisfy the production craft glass.