34results about How to "To reduce consumption" patented technology

The invention provides a separation method for treating low-grade refractory zinc lead oxide ores, which adopts a full heavy separation process. The method is implemented in a way that: all raw ores are crushed into particles of which the maximum particle size upper limit is 20-5mm; the crushed ores are screened into two size grades +0.5mm and -0.5mm; and the two size grades of crushed ores are respectively subjected to heavy-media separation and rocker re-separation to obtain lead-zinc mixed concentrate products which can be used as raw materials for the next technical step of oxygen pressure acid leaching. The technical process is simple and easy to operate; and the invention has the advantages of lower ore grinding amount, low separation cost, no need of any reagent, small environmental pollution, favorable technical indexes and the like, can recycle the backwater, greatly enhances the recovery rate of metals lead and zinc, and achieves the goals of energy saving, emission reduction, consumption reduction and comprehensive utilization of resources on the whole.

The invention discloses an anti-corrosion impeller with an inverted long-angle arc swirl and an anti-corrosion stirring paddle with an inverted long-angle arc swirl. The technical point of the present invention is that the upper convex surface of the two sides of the arc-shaped blade is an inverted long angle, and together with the lower part of the two sides close to the right-angled side, the upper liquid entry surface and the lower opening liquid surface of the blade are formed, and the side of the upper liquid entry surface The sides are composed of two angled lines with similar lengths; the root of the convex surface of the arc-shaped blade is the part close to the stirring shaft, the middle part and the tail, that is, the cross-section of the part away from the stirring shaft is an arc surface formed by circles with different radii; the arc The cross-section of the root of the concave surface of the blade, that is, the part close to the stirring shaft, the middle part and the tail, that is, the part away from the stirring shaft is also an arc surface formed by circles with different radii. The invention provides an anti-corrosion paddle and a stirring paddle with an inverted long-angle arc swirl flow that can widen the extension force of the flow channel of the stirring paddle blade and the strong swirl force of several shapes, and has the effects of saving electricity, reducing consumption, increasing production, and has a long service life. .

The invention discloses a sintering synergistic agent comprising the following components in percentage by weight: 20-30% of active calcium oxide with the activity of more than or equal to 280 ml / 4N-HCl, 20-30% of active magnesium oxide with the activity of more than or equal to 180 ml / 4N-HCl, 20-30% of fluorite, 5-10% of diboron trioxide with the purity of more than or equal to 99% and 5-15% of copper sulfate with the purity of more than or equal to 95%, wherein the content of the active calcium oxide with the granularity of 0.074 mm is more than or equal to 70%; the content of the active magnesium oxide with the granularity of 0.074 mm is more than or equal to 60%; and the content of the fluorite with the granularity of 0.147 mm is more than or equal to 60%;. In the sintering synergistic agent disclosed by the invention, the copper sulfate can be replaced by 1-5% of potassium permanganate with the purity of more than or equal to 96%; the components are uniformly stirred in the proportions so as to form a product; in a sintering production process, 0.04-0.045 % of the sintered feeding material is added at back of a fuel bin; 5-8% of solid fuel consumption can be reduced; the utilization factor of a sintering machine is increased by about 1%; and the drum strength is improved by 1-2%.

The invention discloses an aluminum electrolysis prebaked anode carbon block coating anti-oxidation method. The surface of a pre-baked anode carbon block is coated with a layer of metal foil or carbonfiber cloth by adopting an adhesive, and the surface of the metal foil or carbon fiber cloth is coated with an anti-oxidation layer. The aluminum electrolysis prebaked anode carbon block coating anti-oxidation method has the beneficial effects that the surface of the carbon block is isolated from air flowing in an electrolytic cell, reliable prevention or alleviation of oxidation of the surface of the carbon block is realized, normal use can be realized in the high-temperature electrolysis environment, the use amount is small, the influence on the quality of aluminum water is small, the environment is protected, energy is saved, and consumption is reduced.

The invention discloses a beneficiation process for rock-type primary ilmenite, which includes the steps of pre-treatment, weak magnetic separation, strong magnetic separation, classification and post-treatment. After the ferromagnetic minerals are removed, the weak magnetic separation tailings are obtained; the weak magnetic separation tailings are magnetically separated with a high gradient strong magnetic separator to obtain strong magnetic separation concentrates and strong magnetic separation tailings; the strong magnetic separation concentrates are classified , divided into coarse-grained products, medium-grained products, and fine-grained products; the final titanium concentrate and final tailings of the invention are obtained after post-processing. Aiming at the rock-type primary ilmenite ore that has not been used industrially at present, the present invention adopts the above-mentioned technical scheme for beneficiation, and the technological process is simple. The gravity separation and magnetic separation process flow adopted by the invention does not require any medicament, conforms to the national policy of clean production and circular economy, and achieves the goals of energy saving, emission reduction, consumption reduction and comprehensive utilization of resources.

The invention provides a blast furnace titanium injection furnace protection material using a waste flue gas denitrification catalyst and a preparing method of the blast furnace titanium injection furnace protection material. A vanadium-titanium system waste flue gas denitrification catalyst is reused, the purposes of resource utilization and environmental protection are achieved, the effect of furnace protecting is obvious, and meanwhile the production cost of ton iron is reduced. The blast furnace titanium injection furnace protection material comprises, by weight percentage, 60-65% of used vanadium-titanium system waste flue gas denitrification catalyst and 35-40% of fine iron powder. The preparing method includes the steps that firstly, the used vanadium-titanium system waste flue gas denitrification catalyst is broken and ground into fine powder with the granularity smaller than or equal to -200 meshes; secondly, the fine iron powder is ground into fine powder with the granularity smaller than or equal to -200 meshes; and thirdly, two kinds of fine powder obtained in the first step and the second step are mixed evenly to be prepared into the blast furnace protection raw material. The blast furnace protection material prepared through the method serves as the raw material to enter a pulverized coal bunker when used and is sprayed into a blast furnace through a coal spraying gun of a blast furnace air opening by a blast furnace injection system.

The invention relates to a pre-processing method in the process of producing paper pulp, belonging to the field of papermaking. The method provided by the invention comprises the following steps of: mixing water, ethanol and acetic acid in the volume ratio of 1 to 1-5 to 1-5; uniformly agitating raw materials to prepare pre-processing liquid; adding the pre-processing liquid into a reactor and adding paper mulberry wood chips in the mass ratio of the paper mulberry wood chips to the pre-processing liquid of 1 to 1-1.5, wherein the total volume of the material and the liquid is not more than 1 / 2 of the volume of the reactor; closing the reactor and then heating and boiling for 20-25 min at a temperature in a range of 100-110 DEG C; standing and reducing the temperature; filtering to obtain the pre-processed raw materials and carrying out the next processing procedure after washing the pre-processed raw materials. Compared with the traditional papermaking boiling process by utilizing an alkaline method and an acidic method, the method provided by the invention greatly reduces the waste liquid pollution, saves energy source and reduces production cost; the method provided by the invention can be independently utilized and also can be united with the traditional method, so that the effects of saving energy, reducing emission and reducing consumption are reached.