44 results about "Secondary Energy Resource" patented technology

The invention relates to a preparation process for compressed air, in particular to a preparation process for compressed air, in which, a wind turbine sends the produced power to an air compression fan for air compression, then the compressed air is conveyed into a gas storage tank or directly conveyed to a pneumatic air compression fan of the user. The prior preparation process for compressed air mainly adopts that a motor is electrically driven in second energy conversion mode to produce the compressed air, which causes the vast waste of the energy during the conversion; wind is the never-ending renewable energy, and the compressed air produced by wind has no pollution to the environment and can be repeatedly used for a long time.

The invention provides devices for purifying converter gas by dry process and using afterheat of the converter gas and a method thereof. In a converting period, waste gas exhausted from the converter is cooled by a movable gas hood and a vaporizing cooling duct, then is sent into a gravity dust collector to reduce dust content thereof, is conducted into a flue and then to an afterburning afterheat boiler; the afterburning afterheat boiler generates overheated vapor by using large quantity of sensible heat of the converter gas and sends the converter gas after being cooled into a bag dust collector through the flue to purify; the purified converter gas is sent to a draft fan to be pressurized through the flue, then passes through a three-way valve, and is sent to a converter gas cabinet; in a non-blowing period of the converter, converter gas is not generated; afterburning afterheat boiler burns a certain amount of blast furnace gas to stabilize load thereof and vapor yield. The three-way valve is switched to cause the afterheat boiler waster gas exhausted from the draft fan to flow to a waste gas discharging chimney. The converter gas processed by the method and devices has very low dust and moisture contents and is an ideal purified gas. During the operation process, large quantity of industrial water is saved, and large quantity of secondary energy is recycled.

The invention relates to a coke oven flue-gas waste-heat and dry-quenching waste-heat coupled power generation system and a coupled power generation method thereof. The system comprises a dry-quenching waste-heat recycling device and the dry-quenching waste-heat recycling device comprises a dry-quenching furnace and a dry-quenching waste-heat boiler which are communicated with each other. A dry-quenching secondary superheater, a dry-quenching primary superheater, a first evaporator, a second evaporator, a coke oven flue-gas waste-heat superheater and a dry-quenching economizer are sequentially arranged in the dry-quenching waste-heat boiler. A coke oven flue-gas waste-heat recycling device comprises a coke oven. A coke oven flue-gas main channel is connected to the coke oven and sequentially connected with a coke oven flue-gas waste-heat economizer, a coke oven flue-gas waste-heat evaporator, a coke oven flue-gas draught fan and a coke oven flue-gas chimney. A steam turbine generator unit, the dry-quenching waste-heat recycling device and the coke oven flue-gas waste-heat recycling device form a loop through a condensing unit. According to the coke oven flue-gas waste-heat and dry-quenching waste-heat coupled power generation system and the coupled power generation method, coupled power generation is achieved in the manner that coking flue exhaust fume waste heat enters dry-quenching waste-heat power generation circulation in a coupled manner, and the purposes of efficient utilization of secondary energy and energy saving and emission reduction are achieved.

The invention discloses a method for treating waste water generated in the production process of alcohol by fermenting. The method comprises the following steps of: (1) performing high-temperature contact type anaerobic fermentation on the generated alcohol waste water; (2) performing centrifugal separation; (3) performing medium-temperature combined upflow anaerobic sludge blanket (UASB) anaerobic fermentation on the clear solution obtained through separation; (4) separating methane, sludge and clear solution from the waste water subjected to anaerobic fermentation under the action of a triphase separator on the upper part of an anaerobic fermentor; (5) performing sequencing batch reactor (SBR) normal-temperature oxygen-consuming fermentation on the clear solution obtained through separation in the step (4), settling again after fermentation, and separating out the clear solution; and (6) applying the clear solution obtained through separation in the step (5) to alcohol process recycle. In a 'waste water and waste treatment-resource comprehensive utilization' circular economy standardization system established by the invention, natural resources and secondary energy sources are utilized reasonably by comprehensively utilizing resources, saving energy, reducing consumption and saving water, so that the natural resources and the energy sources can be utilized most reasonably and discharge of wastes and pollutants can be reduced.

An environmental footprint assessment method and system for agricultural products, and the method comprises the following steps: obtaining agricultural original activity data of a target area through an Internet of Things technology, the agricultural original activity data including direct natural resource consumption data, direct emission data, secondary energy consumption data and resource material consumption data; acquiring background environment data of the target area; and setting an initial LCIA model, and improving the LCIA model by using the background environment data to obtain an LCIA evaluation model. According to the application, the Internet of Things platform technology is utilized to solve the problem that agricultural production LCI list data is missing, especially the first-hand primary activity data is not easy to obtain, and particularly, various types of sensors are installed on the first site of agricultural production activities to collect first-hand LCI primary activity data; so that the problem of data deviation caused by the fact that the LCI data is based on the secondary data type at present is solved.

The invention provides a method for recovering sensible heat of blast furnace slag and a device for realizing the method. In the method for recovering sensible heat of blast furnace slag, sensible heat of blast furnace slag is recovered as chemical energy for pyrolytic reaction of a printed circuit board substrate, thereby avoiding wasting water resources; and thus, the invention has the advantage of high recovery rate of sensible heat of blast furnace slag, solves the problems of high consumption of water and low recovery rate of sensible heat in the existing water quenching treatment process for blast furnace slag, avoids the problem of secondary energy consumption in the pyrolytic treatment of the printed circuit board substrate, can be used for industrial treatment of printed circuit board substrate materials in electronic waste, and is beneficial to realizing energy saving and emission reduction. In addition, the obtained gas products and solid residues can be further utilized, and thus, the product utilization ratio is high. The device for recovering sensible heat of blast furnace slag comprises a pyrolyzing furnace, a dry-type granulating device, a powder container and a gas collection container. The device for recovering sensible heat of blast furnace slag has the advantage of simple structure, is easy to operate and is suitable for industrial application.

An automobile tire recovery processing method mainly comprises the steps of: crushing a decontaminated automobile tire into strips with end surface area of less than 50mm<2>, carrying out thermal pyrolysis on the strip-shaped rubber in a special thermal pyrolyzer at the temperature of 450-500 DEG C under the state of negative pressure of 0.05-0.07MPa for 10-15 minutes, carrying out gas and oil recovery and separation through a condenser, wherein the primary fuel adopted for pyrolysis is coal, after combustible gas generated in continuous running of the pyrolyzer can entirely return back to the bottom of the pyrolyzer as a secondary energy resource for pyrolysis and heating so as to replace a part of primary energy resource; and removing metal parts by adopting an electromagnet to obtain carbon black of 700-900 meshes. The automobile tire recovery processing method has the advantages that the process flow is high, the effluent oil quality and oil extraction rate are high, the calorific value of the recovered industrial fuel oil is far higher than that of natural gas, liquefied gas and other fuels, so that the recovered industrial fuel oil is extremely good high-performance liquid fuel, and the automobile tire recovery processing method is the most environment-friendly processing mode with highest economic benefits.

The invention relates to the technical field of distributed energy, in particular to a distributed energy management system management method and equipment, and the equipment comprises a primary energy supply end, distribution equipment and a secondary energy supply end. By collecting the ratio of the total energy consumption and the energy consumption type of the second energy supply end of the user end, the energy composition from the first energy end is changed, so non-renewable energy sources such as fossil fuel are reduced as much as possible, the proportion of clean renewable energy sources is larger, the resource distribution of the distributed energy system is optimized, and the resource utilization efficiency is improved.

The invention discloses a metal fuel-based zero-carbon emission energy conversion system. The metal fuel-based zero-carbon emission energy conversion system comprises a metal particle supply device, agas source, a metal combustion system, a metal electrolytic reduction system and a heat engine, and is characterized in that the metal particle supply device is used for conveying metal fuel particles to the metal combustion system to be combusted with an oxidant conveyed by the gas source to generate oxidation reaction, heat generated by the oxidation reaction is converted into secondary energythrough the heat engine, solid metal oxide generated in the oxidation reaction is conveyed to the metal electrolytic reduction system to be subjected to the reduction reaction, and metal generated after the reduction reaction is treated into metal fuel particles and then conveyed to the metal combustion system again through the metal particle supply device, so that recycling of the metal fuel is realized. Compared with traditional thermal power generation, the metal fuel does not generate any toxic substance or greenhouse gas during combustion, and according to experimental measurement, the carbon emission level is 7 g/kW.h and is only 0.67% of that of coal-fired power generation. The purposes of zero carbon emission and stable combustion power supply are achieved.

The invention relates to a method for activating land and recycling garbage in a landfill. According to the method, the landfill is deodorized by microbial bacteria first and then excavated, the excavated garbage is directly crushed, and the crushed garbage is preliminarily screened into combustible materials and incombustible materials, specifically, the screened combustible materials are furtherscreened by a wet construction method, the screened combustible materials are subjected to compression and coating operation, the combustible materials can be subjected to cracking processing througha cracking device and a subcritical water decomposition device to respectively prepare secondary plastics and secondary energy sources, and thus higher resource recycling value is achieved; the incombustible materials are backfilled in the landfill or are recycled; therefore, the original land of the landfill is regenerated and activated, the garbage is recycled, and then good economic benefits and green energy environmental protection effects are produced.

The invention relates to a preparation device for modified physical-property-reconstructed steel slag micro powder and an application method. The preparation device comprises a filler chamber, a centrifugal external field carbonization furnace, a waste heat recovery system, a phosphorus powder recovery system and a grinding-magnetic separation multi-force-field coupling regulation and control device; the centrifugal external field carbonization furnace comprises a feed hopper, a discharge port and a baffle plate, wherein the feed hopper is connected to the filler chamber, and the discharge port is connected to the waste heat recovery system; and the waste heat recovery system is connected to the phosphorus powder recovery system and the grinding-magnetic separation multi-force-field coupling regulation and control device. According to the preparation device, a reaction interface is enlarged by utilizing a centrifugal external field, steel slag phase reconstruction and element migrationkinetics are accelerated, multi-component efficient separation is realized by adopting multi-force-field coupling regulation and control, the modified physical-property-reconstructed steel slag micropowder is used for being blown into a blast furnace, so that the modified physical-property-reconstructed steel slag micro powder serves as secondary energy to be utilized, waste is turned into wealth, in addition, conditions are created for eradicating land occupation of waste slag and curbing environmental pollution, and the preparation device has important significance in recycling the waste slag and saving energy.