45results about How to "Reduce energy consumption index" patented technology

The invention relates to a process and an apparatus thereof for refining copper scraps by using nitrogen gas stirring and oxygen-enriched oxygen gas. Especially in the process of pyro-refining of solid copper scraps, oxygen-enriched air is used for improving the impurity removal rate of the copper scraps and a method for stirring molten copper with nitrogen gas is adopted to improve and enhance heat and mass transfer conditions of the metallurgical reaction of the whole refining process, thereby greatly shortening the time for copper scrap pyro-refining, improving the impurity removal rate andthe product quality of the copper scraps and simultaneously improving the utilization rate of fuel, oxidant and reductant. The process is a solid copper scrap treating method which has low energy consumption, high efficiency, safe operation, environment protection and the like, and is particularly suitable for large and medium copper scrap refining plants.

The invention relates to a lead melting copper removal refining process for an industrial frequency coreless-type electric induction furnace. The process comprises the following steps: heating and melting a lead bullion raw material through the industrial frequency coreless-type electric induction furnace, pressing slag, and performing quick cooling to liquate copper from lead bullion; injecting the lead bullion obtained after copper removal into an anode casting unit to cast an anode plate, putting a lead anode plate into an electrolytic tank, applying direct current, and liquating anode lead on a cathode after the anode lead forms lead ions and enters an electrolyte; melting the liquated lead through the industrial frequency coreless-type electric induction furnace, sequentially performing oxidation refining and alkaline refining, dredging the slag, and then injecting a lead solution into a pouring unit to obtain an electrolytic lead ingot and oxidized slag; pumping the lead solution after slag dredging into a cathode sheet unit to enable a lead-solution-adhered roller to rotate so as to obtain a cathode lead sheet. The lead melting copper removal refining process for the industrial frequency coreless-type electric induction furnace is respectively applied to the working procedures such as lead melting copper removal, liquated lead refining ingot casting and cathode sheet manufacturing with electric energy, which is conveniently and easily obtained, through the industrial frequency coreless-type electric induction furnace, and has the advantages of reasonable process, low equipment investment, low energy consumption, great economic benefit, good environment-friendly effect and the like.

The invention discloses a device of recycling C2 from refinery dry gas, which includes a PSA unit, a compression unit and an oil absorption unit. The PSA unit includes a first-section PSA device. The compression unit includes a compressor and a liquid separation pot. An inlet of the first-section PSA device is communicated with the raw material dry gas and an outlet of the first-section PSA device is communicated with the inlet of the compressor. The outlet of the compressor is communicated with the inlet of the liquid separation pot. The invention is advantaged in that firstly the raw material dry gas is subjected to primary concentration in the first-section PSA device being low in energy consumption, and then the PSA concentrated gas is further concentrated through an adsorption / desorption method being high in recycle rate and product purity, wherein the temperature of fed gas material, an absorbent and top reflux are all 40 DEG C in the absorption unit. By means of circulated cooling water, the cooling condensation temperature can be achieved without any refrigerating device. By means of the compressed condensate as the absorbent, it is unnecessary to feed a C4 absorbent from other apparatus. The invention also discloses a method of recycling C2 from the refinery dry gas.

The invention discloses an energy-saving monitoring system, which comprises a plurality of data acquisition devices, a synthesis tester connected with the data acquisition devices, and a background computer connected with the synthesis tester; the data acquisition devices comprise electric data acquisition devices, heat energy data acquisition devices, and other devices, and are connected with the synthesis tester through bus lines; the synthesis tester comprises a CPU unit, and a data storage unit, a data statistic unit, data computing unit, a bus interface unit, and a long-distance data transmission unit which are connected with the CPU unit; the background computer comprises a data collecting unit, a data storage Unit, and an energy-saving analysis unit connected with the long-distance data transmission unit of the synthesis tester through the data collecting unit by adopting long-distance transmission means. The invention can effectively reduce the energy source waste through the monitoring to the energy consumption condition, thus realizing the preliminary behavior energy conservation; and completes energy saving renovation and realizes technical energy conservation by using technical means.

A fuel concentration accurate control device for a blowing auxiliary sintering method comprises a sintering machine trolley (1) and a blowing cover (2). The blowing cover (2) is located on the upper portion of the sintering machine trolley (1) and combines into a sealing body with the sintering machine trolley (1). The fuel concentration accurate control device is characterized in that the devicefurther comprises a fuel blowing device (3) and a material face detecting device (5) which are arranged on the blowing cover (2), the fuel blowing device (3) comprises a fuel blowing master pipe (301), a fuel blowing branch pipe (302) and a fuel blowing pipe (303), and the material face CO detecting device (5) penetrates through the blowing cover (2), is located above the sintering machine trolley(1) and is lower than the fuel blowing pipe (303). According to the fuel concentration accurate control device, the material face fuel volume concentration value can be rapidly detected and controlled when the work condition is changed and thus fluctuation occurs, and thus returns to the normal range, and thus it is effectively guaranteed that disadvantageous condition that the material face fuelvolume concentration is over high or over low for a long time in the production process can be avoided.

The invention discloses a method for extracting pure nitrogen from polluted nitrogen high in extraction rate and low in energy consumption. The method includes the following steps that polluted nitrogen enters a main tower and then conducts heat and mass transfer with top-to-bottom liquid on a tower plate or fillers in the main tower from bottom to top, part of pressure is pumped out at the tower top, and the polluted nitrogen serves as a product after being reheated through a main heat exchanger; after polluted liquid nitrogen discharged from the bottom of the main tower enters a subcooler to be cooled through the subcooler, polluted nitrogen evaporated from a main tower condenser is sent to a secondary tower, the polluted nitrogen conducts heat and mass transfer with top-to-bottom liquid on a tower plate or fillers in the secondary tower from bottom to top, the polluted nitrogen generated at the tower top is condensed through a secondary tower condenser, part of the condensed liquid returns to the secondary tower to serve as backflow liquid, and the other part of the liquid enters the main tower to serve as backflow liquid; the polluted nitrogen evaporated from the secondary tower condenser is reheated through the subcooler and the main heat exchanger, and then is sent to a polluted nitrogen compressor to be recycled and utilized. According to the method, the amount of the nitrogen extracted from the polluted nitrogen is higher than the amount of the nitrogen extracted from the air, and the nitrogen extraction rate reaches more than 90%.

The invention relates to a physical host load detecting method based on CPU (Central Processing Unit) heartbeat amplitude. The method comprises the following steps: setting accordant monitoring parameters for all physical hosts, and setting activation judging moments of all physical hosts; and all physical hosts receiving detection beginning instructions, judging activation, reading CPU usage amount history record sheets (H), and calculating estimated load values (MH) and actual load values (MR), wherein when MR is larger than MH, the physical hosts are in an overload state, and otherwise, the physical hosts are in a normal state. The method can quickly and accurately detect the load state of the physical hosts, and then reduces main energy consumption indexes of the physical hosts and enhances performances of the physical hosts, and finally reduces operation, maintenance and management costs of the whole system.