614 results about "Non-renewable resource" patented technology

A self-contained conveyable power unit for producing 12V/24V, 110V AC, and 220V AC electricity at a desired location independent of external power sources integrates within one weather-resistant molded nonmetallic material based housing a power generating device of a selectable combination of a renewable energy type (e.g., solar), power management devices, power storage devices and management reporting devices. Additional optional power generating devices, renewable or of traditional fuel type, can be contained within or coupled to the housing. The system includes devices or an array of devices contained within the housing for the storage of electrical power. A device for power management is contained within the housing as is networking equipment of wireless or wired type for remote system observation and reporting. The system and housing are modular and configured to produce power using any combination of renewable and non-renewable energy resources. The conveyable power unit may provide easy access to different types of power outputs and inputs and be coupled with like appliances in a ‘daisy chain’ or network of power. Given its molded composite material construction and scaleable design, the appliance may be readily fabricated in a variety of sizes for varied applications. Further, the molded housing of composite material construction is designed for resistance to the elements, light weight and strength.

The invention discloses a low-density ceramic proppant prepared from fly ash and a preparation method thereof. The proppant comprises the following components, by weight: 60%-80% of bauxite, 10%-30% of fly ash and 5%-10% of manganese powder. The fly ash mainly comprises Al2O3 and SiO2, and the Al2O3 and SiO2 have higher content and purity than coal gangue, so that quality of the fly ash will not be influenced; and the fly ash has low density, and is suitable to be used as a raw material for preparation of low-density ceramic. Fly ash has wide distribution, and can be used to replace bauxite resource, which is becoming more and more limited, so as to save non-renewable resources. Compared with ceramic proppant prepared from coal gangue, the low-density ceramic proppant prepared from raw material of fly ash has substantially reduced fracture rate, bulk density and turbidity, improved product quality and reduced cost, so as to solve environmental pollution caused by fly ash emission.

The invention discloses a method for preparing dihydric alcohol from crop straw. The method comprises steps of steeping raw material crop straw into diluted acid, pretreating for a short time at high temperature, then carrying out refining treatments such as cellulose hydrolyzing, decoloring and filtering, ion exchanging and high efficiently concentrating, so as to prepare straw sugar, in the presence of a special nickel alloy catalyst, continuously hydrocracking the straw sugar under high pressure so as to obtain a mixture of dihydric alcohol and polyhydric alcohols, rectifying the split product at reduced pressure and separating so as to obtain products such as ethylene glycol and propylene glycol. The method has the advantage of unique and novel and advance process; non-grain biomass resource is taken as the raw material, so that the grain risk is thoroughly avoided; the non-grain biomass resource can substitute for non-renewable resources such as petroleum or coal, so that the method has significance to development of circular economy.

The invention discloses a relay communication system utilizing regenerable energy power supply and an energy-saving mode. The relay communication system is characterized in that traditional power grid energy supplies power for a base station, regenerable energy collected by an energy collecting device supplies power for a relay, and the relay processes received signals and forward the received signals; in a downlink link, the relay periodically sends channel state information and current energy storage to the base station, and the base station determines to select a direct connection transmission mode or a relay transmission mode according to load information, information fed back by the relay and the channel conditions and conducts corresponding downlink resource distribution; in an uplink link, the relay periodically sends the state information of channels from a user to the relay and the current energy storage to the base station, the base station combines the information, the load information and state information, of channels from the relay to the base station and from a user to the base station, obtained by self-estimation to choose a direct connection transmission mode or a relay transmission mode, and conducts corresponding uplink link source distribution. By the adoption of the method, communication quality can be ensured, and non-renewable energy consumption can be saved.

The embodiment of the invention discloses a transportation box which comprises a box body, a box cover, at least one gasbag and a gas charging and discharging connector, and further comprises a guide tube, a hinge, a lock catch, a manual gas exhaust valve and a pressure limiting valve, wherein the at least one gasbag is fixed to the inner side of the wall of the box body and/or the inner side of the box cover; the gas charging and discharging connector is arranged at the outer side of the wall of the box body and/or the outer side of the box cover; and the gasbags are connected to the gas charging and discharging connector. According to the scheme, during goods transportation, gas is charged by the gasbags to fix the goods; when the transportation box has collision or friction, the goods are prevented from being damaged; and the transportation box can be repeatedly used, so that use of non-renewable resources is reduced, and therefore, waste of the resources is greatly reduced.

The invention relates to a preparation method of an alkali lignin modified polycarboxylic acid-type high-efficiency coal water slurry dispersant. The method comprises the steps: at the temperature of 50-80 DEG C, carrying out a copolymerization reaction of a polyoxyethylene ether macromonomer, an unsaturated carboxylic acid monomer, an unsaturated sulfonate monomer and an initiator for 2-3 h in an aqueous solution, adjusting the temperature to 30-50 DEG C, adding epoxy chloropropane, carrying out a reaction for 0.5-1 h, adding an alkaline regulator, adjusting the pH value to 10-12, adding an alkali lignin solution with the mass concentration of 20-50%, adjusting the reaction temperature to 60-80 DEG C, dropwise adding a composite initiator aqueous solution with the mass concentration of 2%, carrying out a reaction for 1-3 h, and thus obtaining a liquid product. The product has the dispersion viscosity reduction performance on coal water slurry superior to that of a naphthalenesulfonate formaldehyde condensation compound, and has good dispersion stability on coal slurry; and while original dispersive ability and other characteristics of the polycarboxylic acid-type dispersant are maintained, the production cost is reduced, and the usage amount of non-renewable resources and toxic materials is lowered.

The invention relates to rotating shaft air feed rotary piston machine. It includes rotating shaft and air feed cabin. And the rotating shaft is set axial air induction channel and radial air induction hole. And it is set in stator air chamber by sealed bearing seat. The stator air chamber is set rotator air chamber. It is set intake hole connected to radial air induction hole. The stator air chamber is set air nozzle. The rotator is set exhaust hole. It has the advantages of energy saving, safe, long useful life, economic, and environment protecting.

The invention discloses a method and a device for solar reduction iron making. The device comprises a solar photovoltaic cell, a wind driven generator, an electrolyzer, a hydrogen heating chamber, a solar reduction furnace and gas treatment equipment. The hydrogen heating chamber and the reduction furnace are provided with a composite optical heating system consisting of a condenser, a heliostat and heat absorbing equipment. In the process of solar reduction iron making, hydrogen prepared by electrolyzing water is used as a reducing agent, the hydrogen is preheated and heat is provided for iron oxide reduction through a photo-thermal principle, the preheated hydrogen is introduced into the solar reduction furnace for reduction reaction so as to generate iron, the iron is smelted into molten iron, and the rest hydrogen is purified, and fed into a system for recycle through a circulating fan. Through the solar reduction iron making, non-renewable energy resources are saved, and the emission of greenhouse gases such as CO2 and the like is avoided. The electrolyzed hydrogen does not contain any harmful impurities, the temperature required by reduction in the reduction iron making process taking the hydrogen as the reducing agent is low, the reaction time is short, carbon dioxide is not generated, and the reduced iron has good quality.

The invention discloses a castor oil-based hydrophilic chain extender as well as a preparation method and application thereof. According to the castor oil-based hydrophilic chain extender, starting from castor oil, one of the renewable resources, a hydroxyl group is introduced by mercapto group-ene light click reaction to obtain an intermediate, and then a carboxyl group is generated through hydrolysis reaction of an ester group (or ricinoleic acid is generated through ester hydrolysis reaction of castor oil first, and then the hydroxyl group is introduced by mercapto group-ene light click reaction), the hydrophilic chain extender containing at least two hydroxyl groups and a carboxyl group is prepared, and the hydrophilic chain extender is applied to preparation of anionic aqueous polyurethane emulsion. According to the castor oil-based hydrophilic chain extender as well as the preparation method and the application thereof, the castor oil is applied to hydrophilic chain extender rawmaterials, has positive reference value for broadening application and increasing added value of natural fat products and also plays a positive role in reducing or replacing an environment problem caused by the use of petroleum non-renewable resources. The castor oil-based hydrophilic chain extender prepared by the invention is liquid at normal temperature, a contact area with other raw materialsduring a reaction is larger, the mixing is more uniform and the reaction speed is higher.

The invention relates to a method of producing propionic acid and propionate by microorganism fermentation, which is characterized by using microorganism fermentation technology to produce propionic acid; with propionibacterium, charging the nitrogen into basic fermentation culture medium which takes glycerin as a carbon source for anaerobic fermentation culture; movably adding the aqueous solution of calcium hydroxide, or the alkaline solution or the saline solution of sodium hydroxide and calcium carbonate with the ongoing of fermentation, adjusting the fermentation liquor and maintaining the pH value between 6.5 to 7.5; movably adding the aqueous solution of glycerin after the fermentation preformed for a period of time; the fermentation is finished when the content of glycerin stops increasing and is more than 35g/L; and then filtering the fermentation liquor through a pressure filter, getting the filtered solution, charging the filtered solution into a spray tower for spray drying, and the dried powder is the propionate product. The invention has the effects: the method can substitute the existing chemical synthesis to produce propionic acid, remarkably improving the safety of the propionic acid product, and is a green food additive; moreover, the problem of consumption of non-renewable resources (such as oil) can be solved without a secondary processing, the negative impact generated by chemical synthesis can be prevented, and the process flow and the cost can be saved; and the invention particularly opens up an industrialization stage of the propionic acid production by fermentation and the simultaneous production of the propionate.

The invention discloses an environmentally-friendly casting mold-releasing agent which comprises the following components by weight percent: 30-45% of modified plant grease, 8-40% of emulsifying agent, 0.3-2% of preservative, 0.5-2% of antioxidant, 2-5% of ethanol, 1-3% of triethanolamine, and the balance of deionized water. The casting mold-releasing agent has an excellent mold-releasing effect and is used for greatly reducing the environmental pollution and saving the usage of petroleum non-renewable resources.

An automatic biofuel-combustion multipurpose furnace comprises a furnace body, wherein the furnace body consists of a combustion furnace, a fuel bucket, a feeding device and an automatic control device, the fuel bucket is positioned above the combustion furnace which is obliquely provided with a feeding pipe and internally provided with a combustion pool, the lower port of the feeding pipe is positioned above the combustion pool, the feeding device is arranged between the upper port of the feeding pipe and the combustion bucket, the furnace body is provided with an automatic igniter, the front end of the automatic igniter is contacted with the combustion bucket, a water drum wall is arranged on the side wall of the combustion furnace, a water inlet and a water outlet corresponding to the water drum wall are arranged on the combustion furnace, a water boiling port is arranged at the upper end of the combustion furnace and provided with a water boiling tray, a slag collection box is arranged under the combustion furnace, the combustion furnace is provided with an air inlet under the automatic igniter, an air outlet is arranged at the lower part of the furnace body and provided with an exhaust fan. The automatic biofuel-combustion multipurpose furnace can save non-renewable resources by combusting biofuel, and has the advantages of environment friendliness and safety.

The invention discloses recycled aggregate type permeable ecological concrete and a preparation method thereof. The concrete comprises, by weight, 1350-1450 parts of recycled aggregate, 200-250 parts of recycled fine aggregate, 250-300 parts of cement, 110-130 parts of water and 5-7 parts of admixtures which are stirred and subjected to pouring forming. The formed ecological concrete is provided with pores in crunchy rice candy shapes and communicated continuously, the effective porosity is 12-15%, the compressive strength is 15-20MPa, and the permeation coefficient is 30-50mm/s. According to the concrete and the method, construction solid wastes are used for replacing natural gravels to prepare the recycled aggregate, not only the construction solid wastes are reused, but also utilization of non-renewable resources such as the natural gravels is reduced, the cost of the permeable ecological concrete is reduced, and resource utilization of the construction solid wastes is achieved.

The invention relates to a technology utilizing waste solids to prepare ceramic particles used as the soilless culture substrates. The technology comprises the following steps: (1) grinding main raw materials and internal combustion agent into powder with a particle size of 60 to 80 [mu]m, and maintaining a dry state, wherein the main raw material is one or more of fly ash, city sludge, lake/river mud, industrial slag, electrolytic ash, tailings, and red mud, and the internal combustion agent is one or more of coal gangue, agricultural straw, and saw dust; (2) weighing 80 to 95 parts by weight of waste solid powder and 5 to 10 parts by weight of internal combustion agent powder, evenly mixing the powder, adding water into the evenly-mixed powder, keeping on stirring to form crystal nucleus accounting for 10 to 12% of the total weight, balling, performing roll-screening, and sintering to obtain the ceramic particles. Waste solids are taken as the raw material, then the components are scientifically and reasonably compounded, and finally inorganic substrate (ceramic particle) for soilless culture is produced by a sintering technology. The provided technology can save the energy and reduce the discharge, and is capable of replacing the conventional technical scheme using non-renewable resources to produce ceramic particles.

The invention relates to a manufacturing method of sludge biomass fuel. According to the method, organic materials containing water sludge and biomass raw materials are mixed and then subjected to fermentation and dehydration to manufacture the new sludge biomass fuel. The method for treating the sludge is economical, practical and high in treatment capacity, and by means of the method, the sludge biomass fuel can be manufactured. By means of the method, environment-friendly treatment of urban sludge is achieved, resource recycling is achieved, non-renewable resources are reasonably replenished, a novel energy material which is the sludge biomass fuel is developed, the sludge biomass fuel can replace natural coal, the calorific value of the sludge biomass fuel is 1500-5000 kilocalorie, the sludge biomass fuel is easy to burn, and the emission of the sludge biomass fuel is lower than emission standards of European Union. Ashes obtained by burning of the sludge biomass fuel are rich in elements of calcium, magnesium, phosphorus, potassium and sodium so that the ashes are superior warm readily available organic fertilizers, and the problem that the urban sludge can not be directly returned to fields is solved.

The invention discloses an ascendens mucronatum cutting medium and a preparation method and application thereof. The ascendens mucronatum cutting medium comprises the following components in parts by mass:36-72 parts of organic fermentation materials, 2-6 parts of peat, 8-30 parts of vermiculite and 2-8 parts of perlite; the organic fermentation materials are obtained by mixing tea residues, rice husk and mushroom residues according to the dry matter mass ratio of (9-18):(1-5):(0.5-3) and then carrying out fermentation. The ascendens mucronatum cutting medium is rich in organic matters, humic acid and various nutrient substances, can realize the labor saving and cost saving during seedling culture, save the non-renewable resources, protect the ecological environment and realize the low-carbon circulation by substituting for the traditional cutting medium. According to the medium, a hole tray is adopted for cutting seedling culture, so that the slip cutting and rooting rate and the survival rate are remarkably increased, seedling are uniform and strong, root systems are prosperous and the integrated cost, namely labor cost and the like, of seedling culture and seedling lifting cost can be saved by 700-1000 yuan per mu compared with that of the conventional seedling culture production.

The invention relates to biomass-plastic and a preparation method thereof. The biomass-plastic is prepared by reacting and mixing the following raw materials by a two-step method: 75 to 95 weight parts of natural high polymer material, 1 to 20 weight parts of reactive type aid, 1 to 10 weight parts of physical plasticizer, 1 to 10 weight parts of lubricant and 0.1 to 5 parts of antioxidant. The two-step method comprises the following steps of: 1, preparing the natural high polymer modified material; and 2, preparing mixture of the natural high polymer modified material and PVC. The obtained biomass-plastic is white or faint yellow solid; the melting point is 120 to 180 DEG C; the melt flowing speed is 5 to 20g/10min; the tensile strength is 10 to 20MPa; the elongation at break is 300 to 1,000 percent; the bending strength is 10 to 25MPa; charpy notched impact strength is 5 to 25kJ/m<2>; and the biomass-plastic is excellent in forming processing property, can be prepared into various products by extrusion, injection molding, blow molding, suction molding, and hot pressing methods on common equipment for processing plastic. Compared with the conventional PVC plastic product, the biomass-plastic has the advantages that 50 to 85 percent of non-renewable resources can be saved, and the biomass-plastic has obvious environment-friendly significance.

The invention discloses a method for preparing alkali-activated coal gangue concrete from coal gangue mainly and belongs to the method applied to preparation of alkali-activated coal gangue concrete.According to the method, coal gangue blocks are broken into coal gangue particles with different grain size range, the coal gangue particles are used as gel materials, fine aggregates and rough aggregates respectively for preparing the alkali-activated coal gangue, and thus, consumption of non-renewable resources such as cement, sand and pebbles is omitted. Besides, the alkali-activated coal gangue concrete is featured by early strength and high strength, and has functions of shortening maintenance time, accelerating construction progress and reducing construction cost, can substitute for cement concrete, can not only avoid the environmental pollution caused by accumulation of a great amount of industrial solid wastes, but weaken dependency on cement and reduce consumption of the non-renewable resources, and has a great significance for China, the country has the problems of energy deficiency and severe environmental pollution.

The invention relates to high-performance ultra-lightweight foam ceramic prepared by taking shale as a main raw material and a method thereof. The high-performance ultra-lightweight foam ceramic comprises the following chemical components in percentage by weight: 50%-70% of SiO2, 10%-20% of Al2O3, 3%-8% of CaO plus MgO, 5%-10% of Fe2O3, 1.0%-6.0% of K2O plus Na2O and 1.0%-2.0% of ZrO2 plus SiC plus C, and the process flow comprises the following steps of preparing materials, performing fine crushing, granulating, loading into an assembled refractory castable kiln tool, striking off, placing into a kiln for firing, getting a product, cutting into the product in the required specification and the size, inspecting, packaging and putting into a warehouse. According to the high-performance ultra-lightweight foam ceramic disclosed by the invention, the defects that the expansion of cracks in the past can affect the product quality, the rupture strength and the compressive strength are not sufficient, the resistance to thermal shock damages is poor and the like, can be solved. According to the high-performance ultra-lightweight foam ceramic disclosed by the invention, compressive stress is generated in a main crack action region for preventing the expansion of the cracks, so that the toughening effect is shown; and by introducing dispersed zirconium oxide particles, the rupture strength and the compressive strength of a composite can be obviously improved, the resistance to the thermal shock damages of the material is also improved, and the optimization of non-renewable resources is further utilized.

The invention relates to the field of garbage classification, to an integrated big data management system for urban renewable resources. The system comprises a system platform, a user terminal, a recycling terminal and an intelligent weighing device. The user terminal sends order information edited by a data editing unit and an order address obtained by a GPS positioning unit to the system platform. The system platform screens appropriate recycling terminal information based on the order address and distributes the order information and the order address to the qualified recycling terminal; after the recycling terminal confirms the acceptance of the dispatched information, a staff member arrives at the order address by carrying the intelligent weighing device within the specified period; and after identifying user information, the intelligent weighing device obtains actual order information and sends the information to the system platform. On the basis of combination of the GIS geographic information technology, the mobile data communication technology and the GPS positioning technology, full-course dynamic management of garbage classification is realized according to the modern Internet mainstream software technology.