123results about How to "Low operating conditions" patented technology

The invention relates to the technical field of carbon nano materials, in particular to a purification method for obtaining a high-purity carbon nano tube. The method combines liquid-phase oxidation, acid treatment and gas-phase oxidation, and simultaneously and fully utilizes the fluffy technology to increase the pore space and the specific surface area in a sample, thereby greatly improving the treatment efficiency of eliminating graphite carbon impurities and preparing the high-purity carbon nano tube. The method is specially suitable for purifying single-walled carbon nano tubes prepared by an arc process, has good stability and low requirements on operation conditions and can carry out industrialized amplification; both the productivity and purity of the obtained products reach or exceed the best result reported by recent literatures; and in addition, the method can also be applied to purifying various carbon nano tubes produced by other methods, and the obtained high-purity carbon nano tube has wide usable range.

The invention belongs to the field of pollution prevention and control and discloses a method for treating a water body containing tetracycline antibiotics by using powdered activated carbon. The method comprises the steps of adding powdered activated carbon and the water body polluted by tetracycline antibiotics into a container, performing treatment by using the method of intermittent churning for a proper time, and then removing powdered activated carbon from the water body. The method has the advantages of simple operation, low cost, less time consumption, wide application area, safety and friendliness to the environment, as well as adaptability to industrialized application.

A preparation method for large area uniform film or long super conduction leads relates to a film forming method for preparing high temperature super conduction film-clad conductors. Said device includes an oven, a quartz capsule, an air supply system, an outlet system, a coil long lead sample frame or a plate large area membrane sampling frame, a metal flanged rotation sealing system, an adjustable varying-speed motor, a temperature-test thermal couple and its pipe. It does not need expensive investment to invest vacuum chamber devices to the large area film area, there is not the problem of interface so as to prepare long super conducting leads with better performance.

The invention discloses an airliner window transparent part fastening structure comprising an airliner body and a transparent part mounted on the airliner body. A prestressed structure frame is connected to the periphery of the transparent part. A mounting structure matching with the airliner body is formed on the prestressed structure frame. The transparent part of the fastening structure is provided with no screw holes, internal stress balance of the transparent part is not damaged, and no stress weakness exists. The circular prestressed frame is formed on the periphery of the transparent part, the overall stress structure with the transparent part and the airliner body and having the function of prestress buffering is formed, difference of pressure borne by the transparent part and loads such as bird impact can be transmitted to the airliner body effectively, and structure stability is guaranteed. Coverage with seal glue and the like through a prestress component makes the fastening structure to be more firmly and more durably adhered to the edge of the transparent part, and accordingly the service lives of the seal glue and a polyurethane interlayer are prolonged greatly, conductive strips in the laminated transparent part are protected, and arcs and even breakage are avoided for the transparent; replacing frequency of the transparent part is reduced and using cost is reduced.

The invention discloses a hidden frame glass curtain wall installation structure which comprises a building main body and a glass curtain wall installed on the building main body, wherein the installation structure further comprises an installation chassis, the glass curtain wall is regulated through the installation chassis to a set position and is fastened, and the position of the glass curtain wall is unchanged in the fastening process. Due to the adoption of the hidden frame glass curtain wall installation structure, the hidden frame glass curtain wall installation structure exciting and controlling the dynamic production process of prestress of an elastic material to form a stable prestress structure and conducting three-dimensional regulation in the installation process to substantially improve the installation accuracy is provided, and the hidden frame glass curtain wall installation structure has the characteristics of excellent firmness, accuracy, safety, convenience and replacement.

The invention relates to a method for preparing magnetic fluid for a ultrahigh vacuum sealing device, which uses the following steps: A) Fe2+ soluble salt and aqueous solution of Fe3+ soluble salt are mixed according to the molar ratio of Fe2+ and Fe3+, which is 1:2. B) obtained mixed solution is placed in 80 DEG C constant temperature water bath, excessive ammonia is added to generate Fe3O4 particles, oleic acid is added, thereby obtaining magnetic nano Fe3O4 particles which are coated with the oleic acid. C) the magnetic nano Fe3O4 particles which are coated with the oleic acid are dispersed in dioctyl sebacate and is placed in 100 DEG C constant temperature water bath, modified polyoxyethylene ether is added after being stirred for 30min, the temperature is increased to 150 DEG C, emulsification pretreatment is done for 60min, the temperature is reduced below 60 DEG C, thereby obtaining the magnetic fluid for the ultrahigh vacuum sealing device. The method for preparing the magnetic fluid for the ultrahigh vacuum sealing device has lower requirements for experiment instruments and operation conditions, the prepared magnetic fluid is very steady, the saturated vapor pressure is very low, and the startup torque is also low.

The invention discloses a fastening system which comprises a compression assembly, a fastening assembly and a fastened object. The compression assembly and the fastened object are matched with each other to compress the fastening assembly to generate prestressing force, so that the fastened object can be fastened. The fastening system has the advantages that the compression assembly and the fastened object are matched with each other to jointly compress the fastening assembly to generate the prestressing force, the fastened object becomes a main control part for generating the prestressing force, the fastening assembly is made of elastic materials, the stable prestressing force is formed inside the materials under the action of external force and is stored, and the fastening assembly, the fastened object and the compression assembly form a stable prestressing force system.

The invention discloses a glazed door window sash. The glazed door window sash comprises two side frames and a glazed door window sash body, a mounting component is combined at each of the top and the bottom of the glazed door window sash body, the glazed door window sash body is fixed between the two side frames through the mounting components, each mounting component comprises a pressing component and a fastening component, and the pressing components and the glazed door window sash body are matched to press the fastening components to generate prestress and further fasten the glazed door window sash body. The glazed door window sash has the advantages that the glazed door window sash body is fixed with the side frames through the prestress mounting components, and glass and a glazed door window sash frame form a rigid integral rather than an existing rectangular splicing structure, so that structural stability among the glazed door window sash body and the side frames is guaranteed, the problem of deformation of a door window sash connecting structure caused by self weight of the glazed door window sash body can be avoided, the problem of falling resulting from one-sided stress does not exist, and the glazed door window sash is safer in structure and more reasonable in stress.

The invention discloses a mounting structure of an anti-explosion glass curtain wall. The mounting structure comprises a building body, curtain wall glass mounted on the building body and a mounting base plate, a decorating frame is covered on the outer wall surface of the curtain wall glass, the curtain wall glass is adjusted to a preset position via the mounting base plate and then fastened, the position of the curtain wall glass is not changed during fastening, and the decorating frame is fixed on the mounting base plate via a mounting piece. The curtain wall glass with edges covered by a prestressed structure is firmly fastened via a stand column and crossbeam frame, and in case of glass crushing or deformation caused by impact, and the glass cannot be integrally separated from the stand column and crossbeam frame, so that anti-explosion and separation functions are effectively realized, and indoor persons are protected to the greatest extend; since profile steel serving as the stand column and crossbeam frame is adopted to replace an existing aluminum profile frame, strength and rigidity of a whole curtain wall bearing system are greatly enhanced, and the anti-explosion glass curtain wall structure is stronger in capability for bearing impact loads from explosion and the like and good in safety performance.

The invention discloses a hanging structure of glass curtain walls. The hanging structure comprises a plurality of glass curtain walls, the tops of the glass curtain walls are hung on an upper building body, and the bottoms of the glass curtain walls are fixed on a lower building body. Each glass curtain wall is hung on the upper building body through one fastening system comprising one oppression component and one fastening component, and the oppression component is matched with the glass curtain walls to oppress the fastening component to generate prestressing force to have the glass curtain walls fastened. According to the arrangement, the oppression component is matched with the glass curtain walls to oppress the fastening component together to generate the prestressing force, so that the glass curtain walls turn out to be master parts of the generated prestressing force; the fastening component is made of elastic materials, so that under the action of external force, the stable prestressing force are formed inside the elastic materials and stored, and constitutes a stable prestressing force system together with the glass curtain walls and the compression component.

The invention discloses a stone installation structure, which comprises a building main body and stone installed on the building main body. The stone installation structure is characterized in that the installation structure also comprises a plurality of installation units mutually independent; the stone is adjusted to a setting position by the installation units and is fastened, and moreover, the position of the stone is not changed during a fastening process. As the stone installation structure disclosed by the invention is adopted, stimulation and control are provided for the dynamic generation process of the prestress of an elastic material to form a stable prestressed structure, and three-dimensional adjustment can be performed during an installation process, and therefore, the installation accuracy of the stone is greatly improved. The stone installation structure has the characteristics that the firmness, the accuracy and the safety degree are high and the convenience and the changeability are good.

The invention discloses a finished vertical hinged door window frame. The door window frame is mounted on a door window hole of a building main body through a mounting chassis; the frame is characterized in that the door window frame is tightened with the mounting chassis in a position adjustable manner; and the mounting chassis is tightened with the door window hole of the building main body in a position adjustable manner. The finished vertical hinged door window frame has the characteristics of strong adjustability, convenient and fast mounting, high construction precision and wide application range, gets rid of the dependence of the conventional door window frame mounting on glue and a foaming agent, adopts dedicated metal fittings and a tightening technology, and ensures the long-time stability of the use of the finished vertical hinged door window frame product; an adjusting mechanism of the chassis ensures the accurate mounting of the door window frame and a wall body base layer, and completely covers the conventional error of a reserved hole; the definition standard of the product mounting interface and the decorative construction is clear and simple; respective responsibility can be ensured to be clear and to be undertaken separately; unnecessary trouble caused to the customer can be avoided; and meanwhile the happening of the dispute and the contradiction can be effectively avoided.

The invention discloses an anti-riot transparent door and window structure. The anti-riot transparent door and window structure comprises a mounting frame and a glass fixed inside the mounting frame, wherein the glass can be bullet-proof glass or anti-riot glass as needed; a lap of anti-escape frame is arranged on the periphery of the glass; and the glass is fixed onto the mounting frame through the anti-escape frame, so that the whole glass is prevented from being separated from the mounting frame under the impact of external forces, and the safety of the anti-riot transparent door and window structure is greatly increased. According to the anti-riot transparent door and window structure provided by the invention, an oppressing component and the glass are matched with each other to oppress the fastening component to generate prestress; the glass becomes a main control piece to generate the prestress; the fastening component is made of elastic material; under the action of external forces, stable prestress is formed inside the material and is stored; and the fastening component, the glass and the oppressing component together form a stable prestress system.

The invention provides a hydrophobization modification method for ramie nano cellulose. The method comprises the steps of preprocessing ramie nano cellulose and xylan, then carrying out modification reaction on the ramie nano cellulose and xylan, adding the soaked and wetted ramie nano cellulose into a hardwood xylan solution, putting into ultrasonic and dispersing, stirring by a machine, layering the mixture by centrifuging, transferring the upper layer clear liquor, and molding the left concentrated ramie nano cellulose suspension liquid through liquid nitrogen vacuum freeze drying so as to obtain the dehydrated modified ramie nano cellulose. Dehydrated modification is carried out on the ramie nano cellulose by using the acetylation of the hardwood xylan, so that the polarity and hydrophilia of plant fiber are lowered, the agglomeration of nano cellulose is inhibited, and the interfacial compatibility and cohesiveness of the ramie nano cellulose and the hydrophobic resin are improved. The method is simple and efficient, has good repeatability, has environment-friendly processes, uses the environment-friendly modification reagents, and has great scientific significance and considerable application prospect.

The invention discloses a mounting structure for car door glass tightening, which comprises a car door glass body, wherein the car door glass is movably arranged on a car door through a moving device on a car window track; the car door glass body is fixed on the moving device through a tightening system; the tightening system comprises an oppressing component and a plurality of tightening components; and the tightening components are oppressed through the match of the oppressing component with the car door glass body to generate a pre-stressing force to tighten the car door glass body. In the mounting structure for the car door glass tightening provided by the invention, the tightening components are oppressed through the match of the oppressing component with the car door glass body together to generate the pre-stressing force; the car door glass body becomes a main control element to generate the pre-stressing force; the tightening components are made of elastic materials; and under the action of external forces, a stable pre-stressing force is formed at the inner part of the materials and stored to form a stable pre-stressing force system with the car door glass body and the oppressing component together.

The invention provides a method for extracting GP4G (polyphosphoric guanosine) from organism, which adopts the following steps: pretreatment of raw material, dehydration, breaking, leaching, neutralization, adsorption, elution, desalination and vacuum concentration. With the technical scheme, the method has the advantages of high yield, low production cost and industrialized production.

The invention discloses a wall brick installation structure which comprises a building body and wall bricks installed on the building body. The wall brick installation structure is characterized by further comprising multiple installation units which are independent from one another. The wall bricks are adjusted to be at set positions and fastened through the installation units, and the positions of the wall bricks do not change in the fastening process. By means of the wall brick installation structure, stimulation and control of the dynamic generation process of the prestress of elastic materials are provided, a stable prestress structure is formed, and three-dimensional adjustment can be conducted in the installation process so that the installation accuracy of the wall bricks is improved substantially. The wall brick installation structure has the advantages of good firmness, safety, convenience and easy replacement. In the fastening process, the wall brick installation structure cannot cause irregular compression on the wall bricks, therefore, damage to existing flatness and self-balanced internal stress of the wall bricks is avoided, wherein the damage is caused by component errors, installation carrier errors, the errors of the wall bricks, workpiece displacement and other factors, and the safety and the capability for resisting external force of a whole wall brick structure are enhanced.

The invention disclose a wall brick installing structure, which comprises a building main body and wall bricks installed on the building main body, and is characterized by further comprising an installing base plate, wherein the installing base plate comprises a framework, a first installing module and a second installing module; the framework comprises a building main body connecting end and a wall brick connecting end; the building main body connecting end is arranged on the building main body through the first installing module; the wall bricks are adjusted to set positions through the second installing module, and are fastened; and in a fastening process, the positions of the wall bricks are not changed. In a process of fastening by using the prestress of the second installing module, the wall bricks are prevented from being pressed and deformed irregularly by fastening, damages to the existing flatness of the wall bricks and inner stress of self-balance caused by the factors of error of each member, error of an installing carrier, errors of the wall bricks, and displacement of workpieces are avoided, and the safety and the capability of the external force resistance of an entire wall brick fastening system are enhanced greatly.

The invention discloses a dry degumming method of raw abandoned oil used for producing biodiesel. The method comprises steps that: (1) the abandoned oil is dehydrated; (2) a composite acid with a weight of 0.2 to 1.0% of that of the abandoned oil is added to the abandoned oil, wherein the composite acid is composed of strong phosphoric acid and citric acid according to a ratio of 2:1; the mixture is subject to a reaction for 50 to 90min under a reaction temperature of 100 to 120 DEG C, such that phospholipids form macro flocculating constituents; (3) a degumming absorbent with a mass of 0.5 to 2.0% of that of the raw materials is added to the raw materials; a vacuum degree is controlled at 0.080 to 0.098Mpa, a temperature is controlled at 110 to 130 DEG C, and the mixture is stirred for 30 to 60 min with a rate of 50 to 70r / min; (4) the mixture is processed through press filtration, and an obtained filtrate is a production raw material of biodiesel. The method provided by the invention has advantages of simple technology, high yield, and low production cost. Also, the method is energy saving and environment friendly.

This invention relates to the treatment of arsenic-containing wastewater. In this invention, the procedures are: collecting water hyacinth, and then washing, drying and cutting the roots, crushing roots into powder. Said powder and arsenic-containing water are fed into a vessel, agitating them intermittently. Finally, the powder and water are separated, to fulfil the treatment. The advantages of this invention are: simple operation, low cost, short treatment period, wide field of application, safety and suitable for commercialized treatment of wastewater.

The invention discloses a finished sliding door window frame. The sliding door window frame is mounted on a door window hole of a building main body through a mounting chassis; at least one sliding door window sash can be fixed in the sliding door window frame in a sliding manner; the sliding door window frame is tightened with the mounting chassis in a position adjustable manner; and the mounting chassis is tightened with the door window hole of the building main body in a position adjustable manner. The sliding door window frame has the characteristics of strong adjustability, high construction precision and wide application range, gets rid of the dependence of the door-window-cover mounting on glue and a foaming agent, adopts dedicated metal fittings and a tightening technology, and ensures the long-time stability of the use of the door-window-cover product; an adjusting mechanism of the chassis ensures the accurate mounting of the door-window-cover and a wall body base layer, and completely covers the conventional error of a reserved hole; the definition standard of the product mounting interface and the decorative construction is clear and simple; respective responsibility can be ensured to be clear and to be undertaken separately; unnecessary trouble caused to the customer can be avoided; and meanwhile the happening of the dispute and the contradiction can be effectively avoided.

The invention discloses an anti-explosion transparent partition mounting structure. The anti-explosion transparent partition mounting structure comprises a partition body fixed on a building body, a circle of mounting frame is bonded around the partition body which is fixed on the main building body or an adjacent partition body via the mounting frame, the mounting frame comprises a pressing assembly and a fastening assembly, and the pressing assembly is matched with the fastening assembly to press the same to generate prestressing force so as to fasten the partition body. By the aid of the mounting frame, the partition body cannot be separated after being impacted by explosion and the like, so that anti-explosion and separation functions are effectively realized, and indoor persons are protected to the greatest extent. Since a rigid bearing frame is firmly connected with the main building body structure, strength and rigidity of a whole partition bearing system are greatly improved, and the anti-explosion transparent partition structure is stronger in capability for bearing impact loads from explosion and the like and better in safety performance.

This invention relates to a refine method for deodorizing Glycine max deflegmation oil. The invention adopts molecule short range distillation method to effectively separate component with special odour and dark brown color from Glycine max deflegmation oil, thereby obtaining light colored purified product without odour. The invention without the necessity for chemical organic solvents and specific installation has simple technology, short process time, simple operation, no enviromental pollution, and low cost; and dose not change the pharmacologic effect of processed odorless Glycine max deflegmation oil, and can improve dependance of patients.

The invention provides a treatment process for high-concentration hydrogen sulfide gas which comprises the following steps: A) sequentially carrying out hydrogen peroxide spraying and dust removal onhydrogen sulfide waste gas to obtain dust-removed gas; with the concentration of hydrogen sulfide in the hydrogen sulfide waste gas being 100-1000 ppm; B) adsorbing the dedusted gas through purification equipment, discharging the gas, spraying a regeneration liquid to a purification filter layer saturated in adsorption for regeneration, and then performing the next round of adsorption, with the purification equipment comprising a plurality of purification filter layers, the purification filter layers being made of fibers or non-woven fabrics with basic functional groups on the surfaces, and the basic functional groups being one or more of amino groups, quaternary ammonium groups and pyridyl groups; and C) adding hydrogen peroxide into the sprayed regenerated liquid, and utilizing the regeneration liquid after reaction for the next round of spraying. The process can eliminate secondary pollution, protect the fiber structure of the purification filter layer from being damaged, and effectively prolong the service life of the purification filter layer. The invention also provides a treatment device for high-concentration hydrogen sulfide gas.

The invention discloses a preparation method of a silk fiber-based patterned semiconductor polymer film. The method is mainly used for preparing a micro-nano pattern of a semiconductor polymer film material. The method comprises the following steps: firstly, preparing a required complementary size of the micro-nano pattern of a semiconductor polymer film on the surface of a photoresist film by an exposure technology; secondly, coating the surface of the photoresist film with the pattern with an uncrosslinked PDMS material, carrying out a thermal crosslinking treatment, taking down a soft template formed by the PDMS and making a photoresist pattern transferred to the surface of the soft template of a PDMS film; thirdly, putting the PDMS film with the micro-nano pattern on a silk fiber water solution, and preparing the silk fiber film with a micro-nano structure after room-temperature drying treatment; and finally, with the silk fiber film as the template, achieving patterning of different semiconductor polymer films by nanoimprint lithography. The preparation method has the advantages of simplicity in step, low cost, large area, low requirements on operation conditions and the like, is especially applicable to organic semiconductor materials which are high in rigidity or are patterned at a room temperature, and has a good practical application value.

The invention relates to the technical field of environment pollutant treatment and particularly discloses a wastewater and garbage integrated treatment method and device for cold areas. Organic garbage is subjected to composting treatment, wastewater is subjected to biochemical treatment, and heat generated by composting is transmitted to a wastewater biochemical treatment system to maintain the temperature needed by micro-biological pollutant degradation; the bad smell generated by composting is introduced into the wastewater biochemical treatment system to achieve the purposes of bad smell removing and oxygen supply at the same time; residual sludge generated by settling of wastewater is properly treated and then serves as a raw aerobic composting material; leachate generated by aerobic composting is treated through a wastewater treatment system on site. By means of the wastewater and garbage integrated treatment method and device for cold areas, discharge of the bad smell, the leachate and the residual sludge can be completely eradicated, no secondary pollutants are generated, the comprehensive treatment cost is low, energy conservation and environment protection are achieved, and the wastewater and garbage integrated treatment method and device for cold areas are especially suitable for rural cold areas.

The invention discloses a nitrogen supercharging vehicle which comprises a chassis, a chassis girder and chassis auxiliary beams, wherein the chassis is provided with an upload prying case body; the chassis girder is fixedly connected with the chassis auxiliary beams; the chassis auxiliary beams are fixedly connected with the upload prying case body; supercharging equipment is arranged in the upload prying case body; and the supercharging equipment comprises a gas inlet pipeline, a primary steam separator, a secondary steam separator, a tertiary steam separator, a supercharger, a diesel engine, a composite cooler, a gas exhaust pipeline and a control system. The whole equipment has the advantages of convenient and quick operation and maintenance, high work efficiency, high degree of automation control, energy saving, environmental protection, low requirements for working conditions, and convenient management, and provides a convenient high-pressure high-flow gas source for oil field drilling, gas exploitation and other related fields.

The invention discloses a preparation method of a rosin emulsion. The rosin emulsion is prepared from the following raw materials in parts by weight: 8-40 parts of rosin, 7-12 parts of emulsifier, 0.1-0.5 part of stabilizer and 45-85 parts of deionized water. The method comprises the following steps: uniformly mixing the emulsifier and a proper amount of deionized water to prepare an emulsifier solution; heating the rosin until the rosin is completely molten, adding the emulsifier solution while controlling the temperature at 100-130 DEG C, and emulsifying at the stirring rate of 400-1000 rpm for 15-30 minutes until the rosin emulsion system forms a water-in-oil type; dropwisely adding boiling water, and reacting while controlling the reaction temperature at 80-100 DEG C until the rosin emulsion system is converted into an oil-in-water type; quickly adding the rest boiling water and stabilizer, lowering the stirring rate and quickly cooling to 20-40 DEG C or below; and filtering through a screen to obtain the rosin emulsion finished product. The preparation method disclosed by the invention is simple to operate, has the advantages of environmental protection and lower requirements for equipment and operating conditions, and lowers the production cost. The prepared rosin emulsion has favorable water solubility.

The invention discloses flame-retardant modified PMMA (polymethylmethacrylate) microspheres and a preparation method thereof. The flame-retardant modified PMMA microspheres are of a nanometer core-shell structure, an inner core is PMMA microspheres, and an outer shell is an electrolyte layer formed by alternately depositing of different two-dimensional nanosheet layers. The preparation method comprises the steps as follows: soaking the PMMA microspheres pretreated by isopropanol in a graphite phase carbon nitride suspension liquid and a graphene oxide dispersion liquid sequentially for layer-by-layer self-assembly to obtain the flame-retardant modified methyl methacrylate microspheres. According to the flame-retardant modified PMMA microspheres, the hindering effect on oxygen and volatile gas transfer and the barrier effect on heat flow are realized mainly based on the physical barrier function of the two-dimensional nanometer sheet layers, and accordingly, excellent flame retardant performance and self-extinguishing performance are obtained. The preparation method is simple and flexible to operate, good in stability, lower in cost, low in operation condition requirement, and beneficial to large-scale industrial production.

A method for treating the carbonate sand on beach polluted by overflow oil includes such steps as loading the polluted sand, separating chemical and less seawater into pre-treating tank, mechanical stirring, ultrasonic pre-treating loading the mixture in separating tank, filling seawater, stirring and separation.