622results about How to "Save natural resources" patented technology

The invention discloses a road material produced by using Bayer process red mud, which comprises a road base layer, a road cement stabilized gravel layer and a road surface layer, wherein the road base layer is manufactured by the following raw materials according to weight percentage: 4-25 of low-temperature ceramic curing agent, 45-96 of red mud and 0-30 of aggregate, the road cement stabilizedgravel layer is manufactured by the following raw materials according to weight percentage: 8-20 of low-temperature ceramic curing agent, 10-20 of red mud and 60-82 of aggregate, and the road base layer is manufactured by the following raw materials according to weight percentage: 10-30 of low-temperature ceramic curing agent, 2-10 of red mud and 60-88 of aggregate. The invention has the beneficial effects that the Bayer process red mud with pollution to the environment is changed into road materials, therefore, a great amount of natural resources used during the roadway building process are saved , and the cost of road engineering is saved.

The invention relates to a device and a method for implementation of man-machine information interaction based on eye motion recognition. The device comprises a camera, a distance induction instrument, a gravity induction instrument or gyroscope, a memory and a processor. The camera regularly shoots images in front of a mobile terminal within a certain range, and the distance induction instrument acquires the distance between the mobile terminal and a face when validity and startup verification parameters of the images are judged. The gyroscope acquires directions and an included angle a between the front face of the mobile terminal and a datum plane. The memory stores image data, image information and data required by image preprocessing. The processor processes data of each module including an image acquisition module, an image validity judgment module, an eye image extraction module, a pupil center position analysis module, a pupil center position sequence acquisition module, a position sequence analysis module and a motion processing module. The device and the method for implementation of man-machine information interaction based on eye motion recognition bring brand-new experience to users, and the users can freely control the mobile terminal only by moving eyeballs, so that higher humanization is realized.

The invention belongs to the technical field of porous ceramics, and in particular relates to a porous ceramic prepared from red mud and coal ash, and a preparation method of the porous ceramic. The porous ceramic comprises the following components in percentage by weight: 40-70% of red mud, 5-40% of coal ash, 10-30% of a pore-forming agent, 1-5% of an additive, and water which is 10-20% of the total weight of the materials, and the red mud, the coal ash, the pore-forming agent, the additive and the water are uniformly mixed according to a ratio, and further formed, dried and roasted so as to prepare the porous ceramic material. The porous ceramic is prepared by utilizing the red mud and the coal ash in a composite manner, and the process is simple and the cost is low, but also a great deal of industrial waste can be consumed, and the environmental-friendliness is facilitated. Therefore, a porous ceramic material with high porosity, high bending resistance and opened pore structure can be prepared by using the method.

The invention relates to a steel slag radiation shield concrete and a preparation method thereof. The steel slag radiation shield concrete comprises the following components in parts by weight: 1 part of cement, 0.4-0.5 part of water, 4-8 parts of steel slag sand, 0.01-0.03 part of water reducing agent, 0.01-2 parts of barite and 0.01-0.03 part of colemanite, wherein the steel slag sand comprises two kinds of steel slag sand with the particle size ranges of 0-5mm and 5-25mm according to the proportion of 1-3:1-3, and the f.CaO content of the steel slag sand is less than or equal to 3%; the water reducing agent is selected from an FDN water reducing agent and a polycarboxylate water reducing agent; and the apparent density of the steel slag radiation shield concrete is greater than 2900kg/m<3>. The steel slag radiation shield concrete of the invention has good compactness, large apparent density and high strength and meets the requirements of the radiation shield concrete; the invention changes waste steel slag into valuable resources, reduces the environment pollution, simultaneously lowers the consumption of mineral materials, and saves natural resources; and in addition, the steel slag used in the invention has abundant resources, low price and obvious economic benefit.

The invention relates to recycled concrete and a preparation method thereof, and belongs to the technical field of building material concrete. The recycled concrete is prepared from, by weight, 140-150 parts of cement, 580-590 parts of recycled coarse aggregates, 260-270 parts of recycled fine aggregates, 95-105 parts of machine-made sand, 35-45 parts of river sand, 70-80 parts of mineral additives, 15-32 parts of hybrid fibers, 4.2-4.6 parts of concrete additives and 80-90 parts of water. The preparation method includes the steps: firstly, weighing various raw materials according to formula ratio, and mixing the coarse aggregates, the recycled fine aggregates, the machine-made sand and the river sand; secondly, adding the cement, the mineral additives and the hybrid fibers, uniformly stirring mixture, adding the concrete additives and the water, and uniformly stirring mixture to obtain the recycled concrete. The recycled concrete has the advantages that natural materials are saved, and environmental protection is achieved. The prepared recycled concrete is excellent in working performance and mechanical property, stable in quality and low in cost.

A coal gangue-fly ash foam concrete relates to lightweight foam concrete. The invention is composed of coal gangue, fly ash, cement, lime, gypsum, filler and foaming agent. The invention utilizes coal gangue and fly ash industrial waste, which not only reduces product cost but also saves natural resources, and its product also has low cost, high strength, low thermal conductivity, good heat insulation performance, and can be directly plastered after masonry, etc. features. Therefore, the product of the present invention can be widely used in the single thermal insulation wall body (body of wall self-insulation and heat insulation) of outer wall, the internal and external partition wall of frame structure, the rear board wall of large closet; Inner wall of cold storage; thermal insulation layer of floor and roof; thermal insulation board.

The invention relates to a beverage having multiple health-care functions. The beverage having multiple health-care functions is characterized in that lotus, lotus leaf, haw, reed rhizome, gynostemma pentaphylla, chrysanthemum, licorice, ginkgo leaf, malt, cassia seed, coix seed, wolfberry, fleece-flower root, honeysuckle flower, root of kudzu vine, mint, Chinese yam, common curculigo rhizome and drinking water are utilized as raw materials; white sugar, honey, lemon essence, sodium citrate, mint essence, sodium cyclamate, caramel and jujube juice are utilized as seasonings; the raw materials are subjected to water boiling extraction by a conventional traditional Chinese medicine boiling extraction method; the extract is concentrated, is added with the seasonings and is stirred; and the mixture is added with drinking water to form the beverage having multiple health-care functions. The beverage having multiple health-care functions is a high-grade nutriment having a scientific and reasonable formula, functions of promoting blood circulation and removing blood stasis, clearing and activating channels and collaterals, consolidating basis and recovering promordial qi and relieving uncomfortable symptoms, no toxic and side effects, a good taste, no any bitterness taste, and effects of sunstroke prevention, temperature reduction and diuresis.

The invention provides a method for precise spray forming and layer-by-layer rolling repair and manufacturing, which is used for rapidly and densely repairing and remanufacturing the surface of workpiece to be cladded. The method comprises the following steps: the surface of the workpiece to be cladded is cleared and/or processed; the surface of the workpiece to be cladded is induced and heated under the protection of inert gas; molten metal is atomized by high-pressure inert gas and sprayed and deposited on the surface of the workpiece to be cladded to obtain cladding metal, and the cladding metal is rolled layer by layer and thickened simultaneously; the workpiece clad by metal is mechanically processed and thermally treated and the workpiece processed by precise spray forming and layer-by-layer rolling repair or manufacturing is obtained. The invention also provides a device for spray forming and layer-by-layer rolling repair and manufacturing.

An embedded hanger type decorative stone slab is composed of surfacial stone layer, embedded hangers in the slot on the back of said surficial stone layer, and insulating layer on the back of said surficial layer. It is possible to attach a reinforcing layer to it. Its advantages are less consumption of stone, low cost, and high stress performance.

The invention discloses an online automatic detecting device for an abrasion state of a rotating body tool. The online automatic detecting device comprises a device base, a tool optical detecting system, a concentrated control system and a tool abrasion alarming system. The tool optical detecting system is a planer array type image sensor system, and comprises a tool entire measuring device and a cutting blade partial measuring device. Image data of an entire tool and partial detail image data in a cutting blade abrasion area are collected, so as to determine a position, a posture and an abrasion state of a tool cutting blade. A calibration target material is mounted on a lathe spindle of the rotating body tool, so that the tool entire measuring device and the cutting blade partial measuring device can be pre-calibrated on line before the measurement. The online automatic detecting device provided by the invention is applicable to a device for automatically carrying out abrasion detection at a rotating state of the rotating body tool, so that the reliability in a machining process is ensured. Therefore, the rotating body tool which is widely used in the production can be reasonably utilized, so the production cost is reduced, the machining efficiency is improved, the consumption of a tool metal material is reduced, and the natural sources are saved. The online automatic detecting device has important meanings.

The invention discloses a processing method for building waste foamed concrete composite heat preservation building blocks. The invention provides a processing method for the building waste foamed concrete composite heat preservation building blocks. By virtue of the processing method, the performance of a recycled material can be optimized to the maximum extent, so that the compression strength, the shear strength and the heat preservation performance of a finished product can be guaranteed. Each building block comprises a base body and a heat preservation core body. A building block preparation process comprises base body forming, core body preparation, maintaining and drying working procedures; each base body comprises cement, an active mixed material, a modifier and a recycled aggregate. A processing method for the recycled aggregate comprises the steps of (1) classifying and initially sorting building waste; (2) roughly crushing building waste to prepare granular recycled coarse aggregates of which the dimension is smaller than 10mm; (3) performing mechanical enhancement on the recycled coarse aggregates, adding natural sand into the recycled coarse aggregates according to a weight ratio of 1:(0.2 to 1), and taking fine sand, which has the particle size of 0.25-0.5 mm, in the mechanically enhanced aggregates for later use. According to the method, the building blocks are high in bonding strength and uniform, the water absorption property of a single unit is reduced, the production cost is lowered, and the production technology is simple and feasible.

The invention discloses a compound type light heat-preservation decorative ceramic external wall tile and a manufacturing method of the compound type light heat-preservation decorative ceramic external wall tile. The external wall tile is composed of three layers, the lower layer is a surface decorative layer, the middle layer is a closed air hole heat-preservation layer, and the upper layer is an open air hole structural layer. All materials are mixed, distributed three times according to layers (the lower layer, the middle layer and the upper layer), formed at one time, dried and sintered through laser, edges are cut off, and the surface is decorated (in an ink-jet printing or 3D-printing mode). Uniform and fine sealed air holes can be formed in the compound type light heat-preservation decorative ceramic external wall tile, the water absorption rate is 0.3-2 percent, the air hole rate reaches 40-60 percent, the extension strength is 60-80 MPa, the heat conduction coefficient is 0.2-0.7 W/(M.K), and the compound type light heat-preservation decorative ceramic external wall tile has good heat-preservation, heat-insulating, waterproof and flame retardant properties, has a decorative effect, is firmly combined with a wall body, is convenient to construct, and is safe and reliable to use.

The invention discloses a method for producing an aerated building block with phosphogypsum as a main raw material. The method comprises the steps of: adding phosphogypsum, industrial waste residues, mineral activator main components and aluminum powder or aluminum paste to a stirrer with adjust rotation speed, adding water, stirring, slowly stirring for 3min, then rapidly stirring for 2min, then adding mineral activator auxiliary components and auxiliary agents, rapidly stirring for 3min, pouring the obtained slurry to a mold, foaming for 30-40min, then standing and maintaining at 50-55 DEG C for 4h, demolding, cutting, and carrying out normal-pressure steam maintaining for 16-24h to obtain the aerated block. Compared with the prior art, the method has the advantages that the obtained aerated building block has stable physical performance and good heat insulation property, the utilization rate of phosphogypsum is high, the process is simple, the cost is low, natural resources are saved, and the like. The obtained product can be widely applied to non-bearing partitions of urban high-rising buildings, low-temperature heat insulation of industrial equipment and the heat-insulation block of refrigeration warehouses.

The invention discloses an organic leaf surface fertilizer rich in organic selenium and vitamins and a preparation method for the organic leaf surface fertilizer. The organic leaf surface fertilizer rich in the organic selenium and the vitamins comprises the raw materials in parts by weight: 40-60 parts of selenium-enriched bombyx mori, 40-60 parts of selenium-enriched plant waste, 40-60 parts of selenium-enriched edible mushroom waste, 40-60 parts of sodium selenite, 20-30 parts of vitamins and 1-10 parts of a composite fungicide. The selenium-enriched bombyx mori, the selenium-enriched plant waste and the selenium-enriched edible mushroom waste of the fertilizer can supply selenium elements and also supply animal proteins, plant proteins and microorganism proteins and are fermented by composite bacteria to polypeptide combined with the selenium elements. Therefore, the fertilizer can be used for supplying enough organic selenium and beneficial substances such as microorganisms and probiotics to the growth of crops; a large amount of waste is turned into treasures, so that social and natural resources are saved, the environment is protected, and cyclic economy is realized.

The invention belongs to the field of building materials and particularly relates to a non-cement green mortar by using the steel slag as the cementing material and the fine aggregate and a preparation method thereof. The non-cement green mortar comprises the following components in weight part: 30-50 parts of steel slag powders, 50-70 parts of mineral powders, 200-350 parts of steel slag sands, 4-7 parts of activator, 1-4 parts of a water reducing agent, 3-6 parts of a dispersing agent, 0-0.4 parts of a retarder, 0.0002-0.001 part of a defoamer, and 30-40 parts of water. The non-cement green mortar is good in working performance, automatic in leveling effect, adjustable in setting time with the range of 0.5-8 hours, high in early-late strength, and excellent in impermeability and resistance to sulfate attack. The 7d breaking strength of the non-cement green mortar is larger than 8 MPa, and the compression strength thereof is larger than 40 MPa. The 28d breaking strength of the non-cement green mortar is larger than 9 MPa, and the compression strength thereof is larger than 50 MPa. Therefore, the non-cement green mortar can be widely applied to the engineering practice.

The invention relates to a curing and dry-piling method of iron tailings, belonging to the technical field of mine safety. The curing and dry-piling method comprises the following steps of: adding a curing agent and a chemical additive produced by adopting steel slag, chemical waste gypsum, clinker, coal ash and quick lime in tailing pulp, and synchronously realizing precipitation, water drainage and curing and pile-up by secondary mixing and stirring. Compared with the prior art, the curing and dry-piling method has the advantages of simple technical process, low cost, small occupied area and high safety, and is a new method for safe pile-up of the iron tailings.

Disclosed is an image forming method by using bone ash, comprising the following steps of: processing bone ash through impurity removing, disinfecting, bleaching, drying and grinding; processing a portrait with a computer to generate a three-dimensional image, using the ground bone ash as a material of a 3D printer and printing it into a statue; and coloring the statue by using the 3D printer or manually. The method provided by the invention has the positive effects that the method can avoid the problem that our country's limited land will be getting less and less due to the move of burial after cremation and protect arable lands. In addition, the image of a dead person can be preserved for good, which has real memorial significance.

A cell culture process for flagelliforme includes such steps as separating the cells from flagelliforme frond to obtain high-activity flagelliforme cells, culturing them in culture medium to obtain its seed cells, storing them at 8-12 deg.C under 500 lux or freeze drying for long-term storage, large-scale culturing to obtain the cultured product, and extracting flagelliforme polyol.

The invention discloses a green rapid-hardening early-strength magnesium phosphate-based healant and a preparation method thereof. The green rapid-hardening early-strength magnesium phosphate-based healant is composed of a material A and a material B; the material A is prepared via mixing of a phosphate, borax, a toughening ingredient, an accelerating component, a water retention ingredient, a water reducing ingredient, and a grinding aid dispersing agent; and the B material is prepared via mixing of magnesium oxide, flyash, silica fume, ground steel slag, chromium iron tailing slag powder, anhydrite, an expanding agent, and a grinding aid dispersing agent. According to the preparation method, industrial supplementary cementious materials (flyash, silica fume, and ground steel slag) are added into cement, so that cement fluidity and early strength are improved; industrial chromium iron tailing slag powder is added into the green rapid-hardening early-strength magnesium phosphate-based healant as a filling material, so that it is beneficial for cement hydration reaction, set cement compaction rate is increased, and at the same time heavy metal waste solidification is realized. The green rapid-hardening early-strength magnesium phosphate-based healant is capable of achieving balance between magnesium phosphate cement setting time and high early strength, and solving problems that shrinking percentage is large and bonding strength is low.

A waste sintered brick powder non-sintered foamed ceramsite and a preparation method belong to the technical fields of solid waste utilization and non-sintered ceramsite. The ceramsite comprises: 45-60% of waste sintered brick powder, 15-25% of glass powder, 10-15% of red mud, 10-20% of cement, 0.1% of catalysts, and hydrogen peroxide used as a foaming agent. The preparation process comprises the following steps: drying, crushing, grinding, and sieving the raw materials; mixing and uniformly stirring the raw materials according to the ratio; preparing a hydrogen peroxide solution, adding the hydrogen peroxide solution into the mixture, uniformly stirring, preparing ceramsite, preparing cement paste, wrapping the ceramsite with the cement paste; and performing steam curing of the ceramsite. The preparation method of the invention adopts construction wastes as the raw materials, adopts hydrogen peroxide as the foaming agent, and performs steam curing of the ceramsite to obtain light-weight ceramsite. The non-sintered ceramsite is energy-saving and environment-friendly, and increases the utilization added value of construction wastes.