422 results about "Stone particle" patented technology

The invention discloses a soil and stone mixed filling roadbed compaction degree detecting method, which comprises the steps of: randomly selecting a soil and stone mixed filling roadbed test site, and obtaining the site compaction degree by a single-point douche or a sand cone method; carrying out fast static test in a preset position near the test site and obtaining a curve between the penetration power P and the penetration depth w; calculating the average density Rhom of the soil and stone mixed filling roadbed and calculating the initial void ratio n0 in the preset position; carrying out linear fitting according to the curve between the penetration power P and the penetration depth w and obtaining the value of the initial intermediate quantity a0 and b0; calculating the void-free deformation modulus E0 of stone particles of the soil and stone mixed filling roadbed; and calculating the compaction degree of other positions, i.e. the compaction degree in the ordinary positions. The method can be used for fast, stably and accurately detecting the compaction degree of the soil and stone mixed filling roadbed and is suitable for any compaction process and roadbeds compacted by compaction machinery.

The present invention relates to a stone like laminate that comprises a support layer made from a cementious matrix board and a surface layer. The surface layer comprises a high percentage of particles from an inorganic material such as stone particles and a low percentage of a resin, such as a polyester resin. The stone like laminate of the present invention can be produced at low cost and provides a aesthetic laminate that is highly resistant to heat, water and pressure.

A comprehensive treating method for the building garbage includes such steps as proper breaking, separating metals, bamboo, wood and plastics out, adding the rest into a washing pool with three-class layered sieve, washing with water while stirring to separate silt sludge, sand and stone particles and big blocks from each other, multi-stage mechanical separation of silt sludge to obtain sludge and sand-stone particles, depositing sludge to become water and clay, drying clay, and cyclic use of water.

The invention relates to a test method for simulating long-term deformation of a rockfill. The test method comprises the following steps of: (1) building a strength degradation model according to a rockfill isochronous stress-strain curve acquired by an indoor triaxial test; (2) randomly simulating a three-dimensional rockfill particle set; and (3) calculating and drawing a long-term deformation curve for rockfill particle flowing deformation by utilizing a rockfill particle random model and the strength degradation model. The test method disclosed by the invention has the advantages that the simulation test method can observe slippage, rotating and cracking of a particle in a flowing deformation simulation process in real time, each fabric quantity is conveniently extracted, the long-term deformation curve of the rockfill is drawn according to test data, non-linear stress-strain parameters can be more accurately solved, basis is provided for numerical calculation of a rockfill dam, and certain reference base and theoretical guidance can be provided for researching problems, such as the long-term deformation, of some rockfill dam projects.

According to a first embodiment, the invention relates to a separating device for removing sand and rock particles in the extraction of liquids or gases from wells drilled in rock, comprising a plurality of annular discs of a brittle-hard material stacked one on top of the other and axially braced by means of a supporting structure, the discs having on their upper side at least three spacers uniformly distributed over the circular circumference of the discs, the discs being stacked one on top of the other in such a way that the spacers respectively lie one over the other, and that a separating gap with a height of 0.05-1 mm, preferably 0.2-0.5 mm, is present in each case between the individual discs.

According to a second embodiment, the invention relates to a separating device for removing sand and rock particles in the extraction of liquids or gases from wells drilled in rock, comprising a plurality of bush-shaped elements of a brittle-hard material stacked one on top of the other and axially braced by means of a supporting structure, slits with a slit width of 0.05-1 mm, preferably 0.2-0.5 mm, being formed in the bush-shaped elements.

The invention discloses a novel medical polymer elastic bandage, which belongs to the technical field of medical dressings and is integrally in a netlike structure. The novel medical polymer elastic bandage comprises three layers, namely a cotton and yarn mixed weaving base layer in the middle, a carbon fiber medical repairing layer above the cotton and yarn mixed weaving base layer and an antibacterial sterilization layer as a lower layer. The cotton and yarn mixed weaving base layer is a netlike cloth layer with the cotton as warps and the yarns as woofs; the carbon fiber medical repairing layer is 1-3 mm in thickness, includes nanometer carbon fibers attached with nanometer level electrical stone particles and is stuck together with the cotton and yarn mixed weaving base layer through a hot pressing way; and the antibacterial sterilization layer is a nanometer silver modified polyethylene layer of 1-3 mm in thickness. By adopting the netlike structure, elasticity of the novel medical polymer elastic bandage disclosed by the invention increases; the nanometer level electrical stone particles in the upper carbon fiber medical repairing layer can emit anionic far infrared rays which are not only free from stimulation to skin, but also have a health care function on speeding up wound healing; and the nanometer silver modified polyethylene layer has an antibacterial sterilization function. Therefore, the whole bandage can be suitable for various injury situations.

The invention relates to a novel artificial composite board which is prepared by granite waste materials. The formula comprises a resin, a curing agent, a promoter, granite stone powder and broken stone particles, etc. The artificial composite board has more styles, and the length can be made to be large enough, thereby being applied on various possible occasions. At the same time, the technology utilizes the broken stone waste materials and stone powder as raw materials, thereby benefiting for the protection and the conservation of natural resources.

The invention relates to a preparation method of a compound photocatalytic water purification material, comprising the step of: fixing nanometer titanium dioxide particles of industrial finished products with the best photocatalytic performance on a micron zeolite sieve or surfaces of medical stone particles by a ball milling method to a multifunctional compound material with the photocatalytic performance and the original water purification characteristic of a carrier. The method has the advantages of simple process, lower raw material cost and no pollution to the environment in a production process, and is suitable for industrial production. The prepared compound material has wide application prospect in the field of advanced treatment of drinking water.

The invention provides laying hen laying peak period compound feed and a production method thereof. The production method comprises the following steps that: 40 to 50 portions of corn, 2.4 to 2.6 portions of 40% cottonseed meal, 14 to 16 portions of full fat rice bran, 5 to 7 portions of peanut meal, 1.3 to 1.5 portions of 60% corn protein powder, 11 to 13 portions of corn lees, 2 to 4 portions of flour, 1 to 2 portions of feather meal and 2 to 4 portions of corn germ meal are mixed and granulated into a laying-hen basic material; and then 80 to 90 portions of the laying-hen basic material, 3 to 5 portions of stone dust, 3 to 5 portions of stone particles, amino acid, premix and the like are pulverized, mixed, granulated, broken and sieved to form the laying hen laying peak period compound feed. The compound feed is produced by adopting the steps of mixing, granulating and pulverizing after the steps of granulating and pulverizing, so the loss of thermo-sensitive raw materials such as vitamins can be reduced through twice granulation, the cost can be reduced, the immunity of the laying hen can be improved, the health of the laying hen can be guaranteed, and remarkable social value and economic benefit can be realized.

A simulative stone is prepared from the mixture of the stone particles with different granularities, epoxy resin, cement No. 42.5, water, water-reducing agent and coagulant through proportional mixture, stirring, moulding, tampering, natural curing, de-moulding and water curing. Its advantages are high strength and antiskid and anti-wear performance, and low cost.

The invention discloses an efficient sewage treatment agent which contains the following raw materials in percentage by weight: 50-70wt% of a first component and 30-50wt% of a second component, wherein the first component comprises the following materials in parts by weight: 30-50 parts of polyacrylamide, 10-20 parts of polyferric chloride, 15-25 parts of soybean protein, 10-15 parts of ethylenediamine tetraacetic acid, 25-35 parts of sodium humate, 30-50 parts of zeolite particles, 35-45 parts of medical stone particles, 20-35 parts of sepiolite particles and 30-45 parts of activated carbon; and the second component comprises the following materials in parts by mole: 2-5 parts of sodium silicate, 1-4 parts of sodium sulfide and 3-6 parts of hydrogen peroxide. The efficient sewage treatment agent disclosed by the invention is low in cost and good in treatment effect, especially for heavy metals.

The invention discloses a high-water-permeability environment-friendly water-permeable brick produced by utilizing industrial residues, and belongs to the technical field of construction materials. The water permeable brick comprises a surface layer and a bottom layer, wherein the bottom layer is prepared from the following components in percentage by mass: 30-40 percent of fine-sand and pulverized fuel ash particles, 25-35 percent of dump slag, 10-20 percent of a concrete stone material and 15-25 percent of cement; the surface layer is prepared from the following components in percentage by mass: 15-20 percent of cement, 60-70 percent of quartz sands and 15-20 percent of decorative stone particles; the fine-sand and pulverized fuel ash particles are prepared from the following components in percentage by mass: 70-80 percent of pulverized fuel ash, 10-20 percent of fine sands, 0.1-0.15 percent of water glass and 5-10 percent of cement; and the grain diameters of the fine-sand pulverized fuel ash particles and concrete stone material are 2-4mm. The invention further provides a preparation method of the high-water-permeability environment-friendly water-permeable brick. The high-water-permeability environment-friendly water-permeable brick has the advantages of strong water permeability, good moisture retention, sliding prevention, high strength, cold resistance, weathering tolerance, noise reduction, sound absorption and the like.

The invention discloses color medical stone coating powder with an air purifying function. According to the technical scheme, the color medical stone coating powder with the air purifying function is prepared from embossed cudgel ore argil powder with the air purifying function, color medical stone particles, acidized zeolite particles, white cement, plaster of Paris, white carbon black, calcium chloride, superfine silica powder, expanded perlite, nano silver-loaded antibacterial powder, nano nanometer titania, sodium pyrophosphate and a powder antifoaming agent. The materials are conveyed into a stirrer to be stirred in three times, and packaged into finished products after being evenly stirred. The color medical stone coating powder with the air purifying function is used for carrying out indoor wall decoration, the art emboss effect with multiple concave-convex stereoscopic colors can be manufactured in a spraying mode, grain composition in a wall spraying coating is good, high porosity is achieved, the specific surface area is large, indoor formaldehyde, ammonia nitrogen, benzene and other harmful substances can be adsorbed and decomposed, and the functions of automatically adjusting humidity, preventing mold, killing bacteria, removing odor and purifying air can be achieved.

The invention relates to a micro powder reinforced polyurethane-based high-strength waterproof heat preservation and decoration integrated material and a preparation method thereof. According to the material, polyurethane is adopted as matrix resin, a large number of micro powder particles and multiple compounding agents are added, grinding is carried out, foaming is controlled, and the closed-cell material is prepared. Coatings or rolls or plates or blocks can be manufactured by means of brushing or spraying or pouring. The material can be manufactured to be red, yellow, blue, black, white and other colors by adjusting a coloring agent. The material has the comprehensive advantages of being efficient, waterproof, good in heat preservation performance and decoration effect, high in strength, good in corrosion resistance, resistant to inflaming and the like. The coatings are tightly bonded with a substrate, and the surface is smooth. The material has good toughness as the rolls and can be used for waterproofness and heat preservation of newly-built or existing buildings, tunnels, underground facilities and the like. The material serves as the plates, sand particles can be bonded to the surface of damp-dry slurry to obtain various building plates with a stone grain decoration effect. The material is extremely low in cost and has good market prospects.

The invention relates to a preparation method of a light-weight silica brick. According to the technical scheme, the preparation method comprises the following steps: uniformly mixing 30wt%-60wt% of silica particles, 10wt%-30wt% of fine silica powder, 2wt%-6wt% of limestone, 5wt%-15wt% of silica sol and 10wt%-30wt% of coke, and vibrating or ramming for forming; and drying formed blank bodies at 110 DEG C for 4-24 hours, and insulating at 1200-1400 DEG C for 3-15 hours to obtain the light-weight silica brick. The preparation method is simple in process, the adopted raw materials are rich, and the prepared light-weight silica brick has the characteristics of uniform microscopic structures, small volume density, excellent heat insulation performance, high refractoriness under load, good high-temperature volume stability, rich raw materials and wide application range.

The invention provides a drum screening machine and an application method thereof in oil sludge treatment. The drum screening machine is mainly characterized by comprising a front crushing and tearing device and a rear treatment device, wherein a drum body comprises a screen-mesh-containing drum body and a screen-mesh-free drum body which are connected through subsection welding or through a connecting part, a water spraying device penetrating through the drum body or arranged in a subsection manner is arranged in the drum body, a feeding device is mounted at a feed port in the front end of the drum body, a receiving hopper capable of separating light and heavy impurities is mounted at an impurity discharge port in the rear end of the drum body, and a discharge hopper is mounted at a qualified material discharge port in the lower part of the screen-mesh-containing drum body. The drum screening machine has the advantages that the operation is simple, safe and reliable, oil sludge is sent to the front crushing and tearing device to tear and crush large stone particles, tiles, plastic cloth, woven bags and the like in the material, a to-be-treated material is uniformly sent into the feeding end by a feeding machine, qualified materials discharged from the qualified material discharge end are sent for follow-up treatment, and meanwhile, clean combustible materials with the recovery value are discharged in a classified manner from the impurity discharge end.

The invention discloses a tool changing method based on a slurry balanced shield machine with a freezing function. The method comprises the following steps of 1, slurry cabin cleaning: a shield machine stops tunneling, and impurities, such as stone particles, inside a slurry cabin are cleanly cleared through a slurry circulation system; 2, slurry cabin and shield body peripheral soil body freezing: the shield machine slurry cabin and the shield body peripheral soil body are frozen by a freezing system arranged on the slurry balanced shield machine with the freezing function; 3, excavating and synchronous tool changing: the frozen slurry cabin is subjected to artificial excavating and cleaning, and the synchronous tool changing is performed in the cleaning process; and 4, unfreezing and recovery work. The tool changing method has the advantages that the design is reasonable; the operation is simple; the cost is low; a normal-pressure tool changing mode is used; the safety coefficient is high; and the practical problems of great tool changing difficultly and high risk when the slurry balanced shield machine is in a position with loose geological features and poor self stability of the tunnel face can be effectively solved.

The invention discloses a construction waste treating and recycling method. The method comprises the following steps: (1) properly smashing construction waste through a smasher, and initially sorting in a manual and/or mechanical way; (2) performing first-stage smashing and magnetic separation on remaining materials, sorting out small-piece metal materials, adding water into the materials for cleaning, and performing flotation to sort saw dust and small-piece plastic parts out; (3) performing second-stage smashing on the materials treated in the step (2) to generate aggregate for use in subgrade pavement; (4) screening burnt dust slag, separating powder and stone particles out, adding a certain amount of curing agent into the obtained powder, and performing conventional treatment to obtain cement. By adopting the method, the comprehensive utilization ratio of construction waste can be increased fully and effectively, and environmental pollution caused by construction waste is lowered.

The invention relates to a picking and conveying integrated mechanism and belongs to the technical field of conveying equipment. The picking and conveying integrated mechanism comprises a shell. A feeding opening and a discharging opening are correspondingly connected to the two ends of the shell. A winnowing bin is arranged below the discharging opening. An air blower is arranged on the position, close to the lower portion of the discharging opening, of the side face of the winnowing bin. A guide plate pointing to an air opening of the air blower is arranged below the discharging opening. A hard impurity bin and a seed screening bin are sequentially arranged in the winnowing bin from the near position to the far position according to the horizontal distance of the winnowing bin from the air blower. The bottom of the seed screening bin communicates with a ventilation pipeline. The ventilation pipeline is connected with an exhaust fan on the outer side of the winnowing bin. According to the technical scheme, through the design of the hard impurity bin and the seed screening bin, stone particles which have the large mass and the small size and are mixed with seeds can be separated from the seeds, so that primary separation and impurity removal of the cereal seeds are achieved; and due to the design of the ventilation pipeline, the airflow in the winnowing bin can be guided to flow to the bin bottom portion of the seed screening bin, and the seed classification and screening efficiency is improved.

The invention relates to a dynamic sensor based broken stone particle simulation test system and method. The system and method are used to observe the motion behavior of scattered particles when asymmetric dynamic deformation happens in a railroad bed. The system comprises a simulation test box, wherein a proportional broken stone model, which is used to simulate a bed, is filled in the simulation test box; a high frequency loading apparatus, which is used to simulate the dynamic load that is generated during the travelling process of a high speed train and is applied on the bed model; a broken stone particle collecting apparatus, which comprises a power supply, a data collector connected to the power supply, and multiple broken stone particles with built-in dynamic sensors, wherein the broken stone particles with built-in dynamic sensors are mixed into the proportional broken stone model and communicate with the data collector, and the data collector is installed on the simulation test box; and a work station, which is used to control the loading amplitude and frequency of a vibration exciter and obtain the data of the dynamic sensors. Compared with the prior art, the system has the advantages of suitability for real time supervision and broken stone scattered materials, small size, and accurate detection.

The invention discloses a mulberry leaf health protection tea and a preparation method thereof. In the method, medical stone is used for enzyme killing, and medical stone particles are mixed for preparing the mulberry leaf health protection tea. The mulberry leaf health protection tea overcomes the defect of astringent taste of the common mulberry leaf tea, has sweet and delicious taste, no side effects and verdurous tea color, contains high-quality protein, essential fatty acids, coarse fiber, saccharides and nutrient components such as calcium, phosphorus, iron, zinc, manganese and the like, can be conveniently drunk, has high absorption rate of the nutrient components, and has the functions of promoting metabolism and blood circulation, relieving fatigue and the like.

A water quality improving device is disclosed, a main pipe of the water quality improving device is successively provided with a water magnetization device, a negative ion generator and a water quality filter, the water quality filter tank body is successively internally provided with a mixed particle chamber, an activated carbon particle layer, a quartz sand particle layer, a volcanic particle layer, a bamboo carbon particle layer, a medicinal stone particle layer and a mixed particle chamber along the water-inlet direction, the mixed particle chamber is filled with energy balls, negative ion balls and mineralization balls, a water inlet end and a water outlet end of the mixed particle chamber and partition walls between the mixed particle chamber, the activated carbon particle layer, the quartz sand particle layer, the volcanic particle layer, the bamboo carbon particle layer, the medicinal stone particle layer and the mixed particle chamber are movable pore plates; the water quality filter tank body is provided with a water temperature detector and a water pressure detector, the water outlet section of the main pipe is provided with a backwash water outlet and a valve; the water inlet section of the main pipe is provided with a cleaning liquid injection tube, a backwash water inlet, a valve, a buffer pressure reducing valve, a sewage discharge pipe and a connection pipe; one end of a backwash pipe is communicated with the backwash water inlet, the other end of the backwash pipe is communicated with one end of a pressure pipe, the other end of the pressure pipe is communicated with the backwash water outlet, and the negative ion generator is connected with the main pipe by the connection pipe.

The invention discloses a fireproof door leaf, comprising a bottom layer, a surface layer, an intermediate layer arranged between the bottom layer and the surface layer as well as an edge sealing frame which is arranged around the intermediate layer and is arranged between the bottom layer and the surface layer. The fireproof door leaf is characterized in that the intermediate layer is composed of grids and fireproof material filled in the grids, the fireproof material is formed by mixing 40-75wt% of quartzitic sandstone particles, 13-40wt% of magnesium chloride solution, 10-40wt% of magnesium oxide and 1-3wt% of modifier, wherein the percentage concentration by weight of the magnesium chloride solution is 22-30%. The invention has the advantages of realizing simple structure, easy production, long fire resistance time, high fire resistance temperature, low production cost, strong stress endurance and stable quality, completely reaching and even exceeding the requirements of GB12955-2008 fireproof door new standard and achieving fire resistance time of 3 hours.

The invention discloses a flow-passing-type debris flow blocking dam and a dam group. The flow-passing-type debris flow blocking dam and the dam group which is composed of a plurality of flow-passing-type debris flow blocking dams are included. The flow-passing-type debris flow blocking dam is composed of a main dam body, an overflow weir and a plurality of draining holes. The overflow weir is located above the main dam body, and the multiple draining holes are formed in the bottom of the main dam body. The flow of the overflow weir and the flow of the draining holes should meet the following conditions that the discharge capacity of the overflow weir and the draining holes satisfies the requirement of the maximum flow rate of debris flow capable of guaranteeing safety of the blocking dam, the let-down flow rate of the draining holes is smaller than the maximum let-down safety flow rate capable of guaranteeing safety of a downstream protective area, the minimum width of the draining holes can ensure that stone with the maximum stone particle size in channel passing flow, desilting vehicles and equipment pass through, and the total storage capacity of the blocking dam and the dam group can effectively block the maximum total rush-out amount of the debris flow under the fortification standard. The flow-passing-type debris flow blocking dam and the dam group have the beneficial effects that the structure is safe, desilting is convenient, the retaining storage capacity can be used repeatedly, and the effects of preventing disasters and reducing damages are obvious.