33results about How to "Structure will not break" patented technology

The invention discloses a ganoderma lucidum polysaccharide extracting method. The extracting method comprises the steps: firstly, smashing ganoderma lucidum sporocarp and sieving by a 80-mesh sieve; then putting into a steam explosion device to be exploded, adding into water to be soaked for 1.5h according to a solid to liquid ratio as 1 to (10 to 20) and then heating to 30 to 50 DEG C to performultrasonic treatment; adjusting a material liquid temperature, a pH value, protease and cellulase; after enzymolysis finishes, warming to denaturalize enzyme, centrifuging, decoloring resin, deproteinizing, filtering, vacuum concentrating and vacuum drying under a lower temperature to obtain high-activity and high-purity ganoderma lucidum polysaccharide solid powder. Therefore, a polysaccharide extracting rate and a polysaccharide production efficiency are improved, a space structure of polysaccharide is prevented from being damaged, biological activity of the polysaccharide is prevented frombeing reduced, and the ganoderma lucidum polysaccharide extracting method is more suitable for industrial production.

The invention discloses a method and a device for removing heavy metals and POPs in organic wastes by electromagnetic reinforcement. The method comprises the following steps of: firstly preparing theorganic wastes into slurry; applying a magnetic field to the slurry to make sure that the heavy metals and the POPs in the slurry are transformed into a water solution state; separating the organic waste slurry into two components; afterwards applying an electric field to the slurry, migrating water molecules and the heavy metals and POPs which are continuously transformed into the water solutionstate to a cathode region of the electric field under the effect of electro-migration, and meanwhile migrating the components of the organic wastes to an anode region of the electric field so as to realize separation of the two components; and filtering and dehydrating the organic waste slurry to finally obtain harmless low-water-content organic wastes. The method and the device disclosed by the invention can be used for efficiently removing large-particle impurities, some heavy metals and the POPs in the organic wastes, can also reduce the water content of the organic wastes to 30% to 50%, thereby overcoming the defects that a traditional organic waste treatment method is low in efficiency, takes effect slowly and has no oneness.

The invention relates to an assembly-type prefabricated-steel frame module house. The module house includes multiple monomer houses, and each monomer house includes a floor installed on the bottom surface of a house body, a roof installed on the top surface of the house body, and wallboards installed on the side surfaces of the periphery of the house body; the floor includes a bottom frame with asupport function, the roof includes a top frame with a support function, and uprights are arranged between the floor and the roof for connection; the upper side surface of the bottom frame is providedwith a lower flange arranged along the frame, and the lower flange is connected with a lower clamping piece in a clamping mode; the end, away from the room interior, of the lower clamping piece is provided with a lower clamping groove with an upward opening, and the lower side surface of the top frame is provided with an upper flange arranged along the frame; the side, positioned in the room interior, of the top frame is connected with a support piece for supporting the roof, and the support piece is connected with an upper clamping piece; an upper clamping groove, with a downward opening andopposite to the lower clamping groove, is formed between the upper clamping piece and the upper flange, and the upper and lower ends of each wallboard are arranged in an inserting mode in the lower clamping groove and the upper clamping groove through sliding. The wallboards and roofs of the module house can be recycled repeatedly, which not only saves the costs, but also protects the environment.

The invention discloses a Janus liquid drop having structural color and based on 3D liquid drop printing, and a preparation method of the Janus liquid drop. A hydrogel with a shear thinning property is used as a matrix, two oil phases which are mutually soluble at high temperature and separatable at low temperature are used as dispersion phases, an injection pump is controlled by a 3D printer, thedispersion phases with high temperature are injected into the matrix to form liquid drops, and the two oil phases are induced to be separated by reducing the temperature so as to the form Janus liquid drops. Due to the fact that the two oil phases have different refractive indexes, incident light can form interference between interfaces, and an annular structural color is shown. The structural colors of the Janus liquid drops can be adjusted through the type or proportion of a non-ionic surfactant in the hydrogel, the positions and sizes of the Janus liquid drops can be accurately controlledthrough 3D printing, color patterns composed of the Janus liquid drops are generated, and high application value is achieved in the fields of function display, sensing and the like.

The invention discloses a method for preparing graphene aqueous solution by using a water soluble coronene derivative as a solubilizer, which comprises: dispersing graphene solid in ultrapure water, adding the water soluble coronene derivative, mixing, adding hydrazine hydrate, stirring, centrifuging, removing supernate, dissolving precipitate in ultrapure water, and thus, obtaining graphene aqueous solution. In the invention, the operation is simple, the property of the prepared graphene aqueous solution is stable, the dispersion state of the graphene in water can be regulated by changing the used amount of solubilizer, and the method has a bright application prospect in nano science, biomedicine and material science.

The invention discloses a method for reinforcing a bridge erecting machine. The method comprises the following steps that A, relative parameters such as the length and the diameter of each front supporting leg and the diameter of each pier column are measured; B, direct calculating or finite element calculating is conducted to determine a transverse reinforcing scheme and a longitudinal reinforcing scheme, wherein the transverse reinforcing scheme comprises the step that a plurality of supporting rods are connected between the two front supporting legs, and the longitudinal reinforcing scheme comprises the step that a plurality of supporting rods are connected between the pier columns and the front supporting legs; C, steel materials with corresponding section parameters and the corresponding lengths are selected; and D, the steel materials with the selected models and parameters in the step C are cut, and the front supporting legs and the pier columns are connected and reinforced according to the reinforcing schemes in the step B. By means of extra reinforcing measures, the weight of the whole machine can be reduced, and the manual labor of workers in the detaching process also can be reduced, most importantly, the problems of stability losing and fracturing of the front supporting legs the in the process of detaching and erecting a beam body is avoided, and the method can be widely applied to reinforcing of front supporting legs of various bridge erecting machines.

The invention provides cellulose foam capable of visually identifying and removing chromium as well as a preparation method thereof and a chromium removal method. The preparation method comprises thefollowing steps: adding epichlorohydrin into a cellulose solution, stirring until the color of the solution becomes light, adding a PEI solution, uniformly stirring, crosslinking at 25-60 DEG C for 5-60 minutes to form hydrogel, washing with deionized water, and carrying out freezing and freeze-drying, thereby obtaining the product. The cellulose foam prepared by the invention can be used for quickly identifying and removing Cr(VI) in a relatively wide pH range. According to the method, the electrostatic adsorption and subsequent oxidation-reduction process of Cr(VI) can be regulated and controlled, it is guaranteed that the structure of the adsorbent cannot be damaged due to the oxidation reaction while Cr(VI) is removed, the regeneration speed of the material adsorbing Cr(VI) is high, and the structure of the adsorbent cannot be damaged in the regeneration process.

A preparation method of cotton stalk printing paper pulp particularly includes the following steps that firstly, cleaned dry cotton stalks are exploded through a steam explosion method, and then granules with the average grain diameter being below 120 micrometers are obtained; secondly, the granules are placed in water, toluene diisocyanate, insectwax, glyceride maleic anhydride resin and 1-2 parts by weight of polyurethane resin are added, temperature rises to the range from 60 DEG C to 80 DEG C, and the mixture is stirred for 1-2 hours; thirdly, water at the temperature ranging from 35 DEG C to 50 DEG C is added to the mixture obtained through the second step, and meanwhile 2-4 parts by weight of alums are added, the mixture is filtered after being stirred for 15-30 minutes, filter liquor is drained, and filter materials are reserved; fourthly, the filter materials are placed in a reaction kettle, titanium dioxide with the average grain diameter being below 10 micrometers, 1-3 parts by weight of starch, phenolic resin and octyl alcohol are added, and the mixture is stirred. Paper products prepared through the paper pulp is bright in color, tough and durable, good in printing performance, long in service life, and suitable for large-scale industrial production.

The invention provides a method for soil remediation through an electric power method. The method for soil remediation through the electric power method comprises the following steps that 1, the periphery of to-be-remediated soil is plugged; 2, an electrode is inserted into the to-be-remediated soil; 3, water is discharged, wherein the water discharge amount is 8-15 kg per square meter of the soil; and 4, the electrode is electrified, wherein the voltage is 110-220 V, and the electrifying time is 3-6 hours. The method has the advantages that the soil remediation effect is good, and the secondary pollution can be effectively avoided.

The invention discloses an in-situ transport property measurement method. The in-situ transport property measurement method comprises the following steps: preparing a membrane-shaped structure on a substrate in a first vacuum environment; arranging an electrode on the surface away from the substrate, of the membrane-shaped structure, carrying out micro-cutting treatment on the surface away from the substrate, of the membrane-shaped structure, cutting a micro-cutting area, and locating the electrode in the micro-cutting area in a second vacuum environment; enabling a probe array to contact with the electrode, and carrying out measurement on transport property in a third vacuum environment, wherein the first vacuum environment, the second vacuum environment and the third vacuum environment are a continuous vacuum environment, the continuous vacuum environment means that the membrane-shaped structure directly enters the second vacuum environment from the first vacuum environment, and directly enters the third vacuum environment from the second vacuum environment, and the membrane-shaped structure is out of contact with air. The invention further relates to an in-situ transport property measurement device.

The invention discloses oat drying and pre-curing equipment. The oat drying and pre-curing equipment comprises a drying oven for drying and pre-curing oat and further comprises a conveying unit for sending the oat into the drying oven, wherein the conveying unit comprises a conveying pipe communicating with a conveying channel arranged on an oven body to guide the oat into a cavity of the drying oven, an air inlet channel for blowing air is arranged on an air guide channel to blow air into the oat, and an airflow valve is arranged on the air inlet channel; a stirring box arranged on an outer ring in the drying oven stirs the oat, and a heating box is arranged in the stirring box to make contact with the oat and preheat the oat in a rotary vibration manner. The oat drying and pre-curing equipment fully ensures that the oat can be humidified in the drying process, active components of the oat can be kept, and particularly, protein, amino acid and glucose components in the oat cannot be lost due to drying.

The invention discloses a wind-resistant reinforcing nail. The wind-resistant reinforcing nail comprises an outer nail body and an inner nail body, wherein the outer nail body comprises a nail body part and a nail point part, an open groove is formed in the nail body part, first through holes are formed in the side wall of the open groove, side nails are slidably connected into the first through holes, gears are rotatably connected into the open groove, the gears and the first through holes are arranged concentrically, inner threaded holes are formed in the gear, outer threads matched with theinner threaded holes are arranged on the side nails, the side nails and the gears form lead screw structures, the inner nail body is inserted into the outer nail body, racks are arranged on the innernail body, and the racks are used for driving the gears to rotate. According to the reinforcing nail, after the outer nail body is inserted into soil, the inner nail body can be nailed into the outernail body, then the side nails can stretch out of the first through holes to be inserted into soil, on one hand, the reinforcing effect is good, and on the other hand, loosening caused by soil structure damage is avoided.

The invention provides a wire drawing device for a welding strip. By means of the device, wire drawing of the welding strip is achieved through mechanical standard operation, the wire drawing qualityis guaranteed, and the wire drawing efficiency is improved. The input end of a horizontal conveying guide groove is provided with a press roller assembly, the input end of the press roller assembly isprovided with a feeding guide groove, and the horizontal conveying guide groove is formed in the upper end face of a vertical support; the middle rear conveying end of the horizontal conveying guidegroove is provided with a wire press clamping jaw, the wire press part of the wire press clamping jaw is vertical to an inner groove body of the horizontal conveying guide groove, and a vertical air cylinder is connected to the input end of the wire press clamping jaw; a wire drawing device is distributed at the outer side of the tail conveying end of the horizontal conveying guide groove and comprises a wire drawing base plate, a wire drawing base and a wire drawing driving device, the bottom of the wire drawing base is supported at a wire drawing rail and connected with the power input end of the wire drawing driving device, and the wire drawing base plate is located on the upper end face of the wire drawing base.