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111results about How to "Eliminate environmental problems" patented technology

Hot rolled strip steel pickling-free hot galvanizing method based on scale reduction

The invention discloses a hot rolled strip steel pickling-free hot galvanizing method based on scale reduction, belonging to the technical field of metallurgy. The method comprises the following steps: (1) heating the hot rolled strip steel to 600-900 DEG C in a heating furnace, and performing reduction annealing; then performing heat-preservation reduction in a 10-100% hydrogen atmosphere by volume; (2) cooling the hot rolled strip steel after the heat-preservation reduction to 450-460 DEG C at a speed of 5-20 DEG C per second; (3) performing hot galvanizing in zinc liquid for 3-5 seconds to obtain a zinc coating on the surface of the hot rolled strip steel. According to the method disclosed by the invention, the scale on the surface of the hot rolled strip steel is removed through hydrogen reduction, the discharge of waste acid is reduced by 20kg per ton of steel, the environmental problem caused by pickling is eliminated, and the transformation of the existing production equipment is avoided; the defects of a hot galvanized plate such as skip plating and the like often occurring in a conventional technology can be eliminated, and the scale which is waste before is effectively utilized.
Owner:NORTHEASTERN UNIV

Organic silicon modified polyurethane sealing agent

The invention relates to an organic silicon modified polyurethane sealing agent. The organic silicon modified polyurethane sealing agent is prepared from, by mass, 60-100 parts of toluene diisocynate, 240-470 parts of polyether N220, 200-350 parts of polyether 3050, 3-10 parts of epoxy resin E51 and 40-100 parts of organic silicon Y-9669. The sealing agent has advantages that by selection of the organic silicon Y-9669 serving as a coupling agent in a modification process, the defect of harmfulness of isocyanic acid groups in PUR (polyurethane) hot-melt adhesives to human bodies and environments are completely eliminated owing to parahelium; organic silicon which is a primer intrinsically avoids inconvenience of primer utilization in adhesion of materials such as metals and glass with the PUR hot-melt adhesives (sealants), pollution prevention, environmental friendliness, convenience in operation and the like are achieved, and a prepared product is less prone to whitening and can be used as hot-melt adhesives and sealants.
Owner:SUZHOU JINQIANG NEW MATERIALS

Charging device for electric car

The present invention relates to a charging device for an electric car, wherein: a recharging road for electric cars, on which a charging electric car having an electrically controlled speed can run at high speeds, is provided on an upper end of a support standing erect on the ground, underground or semi-underground along the edge of a road or a median strip; a power line for supplying power to the moving charging electric car is installed on the recharging road for electric cars; a charging power line assembly which is electrically connected with the moving electric vehicle is fixedly installed in the charging electric car; the electric car for charging, which moves along the recharging road for electric cars, and the power line are electrically connected in a contact or noncontact manner which is a widely known technique; and the charging power line assembly includes a traveler that is fixed to the charging electric car, a flexible means that is installed on an end of the traveler, and a charging electric wire that is wound on the flexible means and has a plug at the rear end thereof.
Owner:李镇局

Supercritical refrigerant cycle system

An object of the present invention is to improve a heat exchanging capability in an evaporator in a refrigerant cycle system in which a high pressure side is operated at a supercritical pressure. The refrigerant cycle system is a refrigerant cycle system in which a compressor, a gas cooler, an expansion valve and an evaporator are sequentially connected in a cyclic form and a high pressure side is operated at a supercritical pressure, wherein the degree of opening of the expansion valve is adjusted based on the temperature and pressure of a refrigerant at an outlet of the evaporator so as to control the degree of superheat at the outlet of the evaporator. An abstract of the present invention is to make large the degree of superheat at the outlet of the evaporator by means of the expansion valve.
Owner:SANYO ELECTRIC CO LTD

Special material for forming halogen-free high-flowability anti-yellowing wire rod and preparation method of material

The invention discloses a special material for forming a halogen-free high-flowability anti-yellowing wire rod. The material is prepared from the following raw materials: SEBS (Styrene-Ethylene-Butylene-Styrene) rubber resin, a softening plasticizer, a polyolefin elastomer, functional resin, polypropylene resin, an antioxidant, a light stabilizer and a processing agent. The invention further discloses a preparation method of the special material for forming the wire rod. The special material for forming the wire rod has the advantages of no halogens, anti-yellowing property, good adhesiveness, high tensile strength, high flowability and easiness in injection molding, processing and forming and the like. As no halogens are available, the condition that harmful substances in the combusting and heating process are released to threat the physical health of human and environment is effectively avoided. The preparation method provided by the invention is concise in technical step and easy to realize, and can quickly prepare the special material product for forming the halogen-free high-flowability anti-yellowing wire rod. The product can be widely applied to other wire rod products such as external membranes of plugs of top grade earphone lines and external membranes of plugs of data lines, and is wide in application range.
Owner:DONGGUAN JISU PLASTIC TECH

Novel photocatalyst and method for producing same

A photocatalyst produced from an easily available, relatively low-cost silicon oxide material is disclosed which is capable of decomposing environmental pollutants with improved efficiency. The photocatalyst is produced by pulverizing an artificial crystal, specifically machining waste thereof, into powder particles having a particle diameter of not more than 3.0 mm and then immersing the particles into a solution containing a hydrogen fluoride for activation. Environmental pollutants such as nitrogen oxides (NOx) and harmful organic compounds can be efficiently decomposed by coming into contact with this photocatalyst while being irradiated with activation light under oxidizing conditions.
Owner:PATENT TECH DEV

Image recognition apparatus and image recognition program

An image recognition apparatus is configured to recognize movements of players in a sport match or game from contents recording a sport match or game wherein the players match against each other between domains partitioned with such an obstacle as net, the image recognition apparatus including: a picture information obtaining section configured to obtain picture information containing an image of a movement of at least one of the players from the contents; a sound information obtaining section 103 configured to obtain sound information generated in synchronism with the picture information from the contents, the sound information including information on a hitting sound generated upon hitting of such an instrument as a ball moving between the domains; a hitting time information specifying section 105 configured to specify a hitting time at which the instrument is hit based on the sound information; a rule information storage section 102 configured to store rule information for carrying out the sport match or game; and an image substance recognizing section 106 configured to recognize a substance of an image containing the image of the movement of the player provided by the picture information based on the picture information, a position of the instrument at the specified hitting time and the rule information.
Owner:NAT INST OF INFORMATION & COMM TECH

Photovoltaic module

The present invention provides a photovoltaic module, comprising: a dye-sensitized solar cell; a supercapacitor, which is electrically connected to said dye-sensitized solar cell to store the electrical energy generated therefrom; and an electricity-consuming device, which is electrically connected to said dye-sensitized solar cell and said supercapacitor; wherein, when exposed to light, said dye-sensitized solar cell absorbs the light energy to transform into electrical energy, part of said electrical energy is to provide the operation of said electricity-consuming device, and the other part of said electrical energy is stored in said supercapacitor; in the circumstance of no light, said supercapacitor releases the stored electrical energy to said electricity-consuming device to maintain the operation thereof.
Owner:J TOUCH CORPORATION

Method of forming a component for a control panel

InactiveUS6849226B2Effectively fabricateEliminates extra stepLaminationLamination apparatusEngineeringVisibility
A control panel assembly having a plurality of buttons located in a bezel and supported by a switch mat. A bezel and / or button is formed using a vacuum forming technique and has a transparent inner surface layer and a middle translucent color layer and an opaque outer surface layer. A portion of the opaque outer surface layer is removed to define a desired indicia on an outer surface of the bezel or button. In addition, the bezel or button can be backlit to allow visibility in low light conditions. A method of making a control panel component, such as a bezel or button, is also disclosed.
Owner:KEY PLASTICS

Deodorizing and passivating cleaning agent for oil refining devices

A deodorizing and passivating cleaning agent for oil refining devices belongs to the technical field of device cleaning agents and is characterized by including (in weight): 20 parts of passivator, 10-14 parts of deodorant, 7-9 parts of active components, wherein the deodorant is compounded by low-alkali sodium hypochlorite, ultrafine sodium silicate and glyoxal diamine, the active components aretetrakis hydroxymethyl phosphonium sulfate (THPS) compound, and the passivator is low-alkali sodium hypochlorite and THPS. Compared with the prior art, the deodorizing and passivating double-effect cleaning agent for the oil refining devices has two functions of deodorizing and passivating, and two effects of deodorizing and passivating can be realized by one-step cleaning process during use of the oil refining devices. Equipment can be cleaned at normal temperature and normal pressure during use, heating is omitted and safety and convenience are achieved.
Owner:王春玲 +1

Production method for producing cement and sulfuric acid from phosphogypsum

InactiveCN112694067AImprove product qualityEliminate the environmental problems of stackingSulfur compoundsCeramic production plantsReductive decompositionDust control
The invention discloses a production method for producing cement and sulfuric acid by using phosphogypsum. The method comprises the following steps: carrying out pretreatment purification on phosphogypsum to reduce insoluble phosphorus, water-soluble phosphorus impurities and most free water in the phosphogypsum, kneading with a reducing agent, granulating, and directly feeding the material into a reductive decomposition integrated rotary kiln with fluidization preheating function; controlling a gas phase atmosphere to perform step-by-step heating, drying, dehydration and reductive decomposition under the combustion of the pulverized coal; sulfur dioxide gas generated after reductive decomposition is used for producing sulfuric acid after being subjected to dust removal and purification; and the reduced and decomposed material enters an oxidation calcining kiln for cement clinker sintering, and the gas-phase atmosphere is controlled under the combustion of pulverized coal for heating, mineralizing and sintering to obtain the cement clinker. Compared with the prior art, the production method for producing cement and co-producing sulfuric acid by using phosphogypsum has the advantages that the coal consumption for reduction and firing is reduced, the production efficiency and the product quality are improved, the device investment is saved, the economic benefit of producers is increased, and the environmental protection problem of phosphogypsum stacking treatment is eliminated.
Owner:CHENGDU QIANLIJIN TECHCAL INNOVATION CO LTD

Method for evaluating resolution of fiber-optic gyroscope

The invention discloses a method for evaluating resolution of a fiber-optic gyroscope, comprising the following steps of: installing the fiber-optic gyroscope on an aiming-north single-axis position turntable, making its input shaft parallel to the horizontal plane, determining a test position according to indexes of the resolution to be measured and the local latitude, turning the position turntable to the test position, acquiring multi-group fiber-optic gyroscope data, calculating, and evaluating whether the resolution of the fiber-optic gyroscope satisfies the requirement of the indexes to be measured. The method provided by the invention is simple to operate, is easy to realize, and can be used to guarantee accuracy and precision of the test.
Owner:ZHEJIANG UNIV

Method for tanning ecological automobile leather in unsalted no-pickling manner

The invention relates to a cow leather manufacturing method and particularly relates to a method for tanning ecological automobile leather in an unsalted no-pickling manner. The method comprises the following processes: (1) a process before tanning; (2) a tanning-combined process; (3) a dry finishing section process; and (4) a coating section process. The tanning-combined process mainly comprises the following steps of: (1) replenishing water; (2) tanning; (3) de-drumming; (4) wringing and shaving; (5) rinsing; (6) carrying out ammonium-free neutralization; (7) dyeing; (8) stuffing; (9) fixing; (10) stacking; and (11) washing with water, wherein a tanning agent adopted during tanning is a non-metallic organic mixed tanning agent, the tanning temperature is controlled to be above 80 DEG C, and the tanning time is 5-10 hours. The method has the advantages that any pickling process is not required, the isoelectric point of the ecological automobile leather is changed, the tanning agent is prompted to penetrate into the leather and be fixed in the leather, the production stability is good, the control is easy, any alkali extraction or oxidation is not required, the processes are simple and easy, and the natural ecological environment can not be destroyed, thereby thoroughly solving the environmental problems caused by neutral salt pollution and pickling.
Owner:ZHEJIANG MINGXIN XUTENG LEATHER IND CO LTD

High-strength hot-galvanized dual-phase steel and preparation method thereof

The invention relates to high-strength hot-galvanized dual-phase steel and a preparation method thereof, belonging to the field of metallurgy. Mainly aiming at the problems in a hot galvanizing technology for a cold-rolled high-strength steel plate and a direct hot galvanizing technology for a hot-rolled plate, the invention provides the high-strength dual-phase steel directly using hot-rolled strip steel as a raw material and the preparation method thereof. The method uses the hot-rolled strip steel as the raw material, the content of Si element (in percentage by mass) is not less than 0.5 percent, and the content of Mn element is not less than 3 percent; the method breaks through the limit of the galvanized steel plate on the range of additive amount of Si and Mn elements, meanwhile avoids adding Mo and Cr elements with high cost, and is beneficial to developing economical galvanized dual-phase steel. Moreover, the method carries out hydrogen reduction reaction in a continuous hot-galvanizing production line annealing furnace and then carries out direct hot galvanizing, so that the processes of acid picking and cold rolling are saved, the processes are reduce, the cost is reduced, and the environmental problem caused by acid picking is eliminated. Meanwhile, the defects of the prior art are overcome, and the additional facilities and inputs are not added. The method has the advantages of being less in investment, quick in taking effect and convenient to operate.
Owner:武汉钢铁有限公司

Cochlear implant

An improved cochlear implant and method are disclosed. The present invention relates particularly to an external processing unit of a cochlear implant which processes sounds from within the ear canal of the patient. The implant comprises a microphone placed within the ear canal of the patient. The implant can alternatively comprise a hollow tube placed within the ear canal of the patient which is used to carry sound to a microphone located elsewhere. The method may comprise the steps of: providing a microphone in the ear canal, thereby improving the hearing of said hearing-impaired subject. The method may comprise the steps of: providing in the ear canal a tube that delivers sound to a microphone, thereby improving the hearing of said hearing-impaired subject.
Owner:SPEARMAN MICHAEL R +1

Transition assemblies for building opening

A sealing assembly for securely and insulatively maintaining a window or door and surrounding frame arrangement within an opening of a building wall. The sealing assembly comprises an elongated foam cell body member arranged within a channel of the surrounding frame arrangement of the window or door, wherein the elongated cell body member has a wall-opening-facing side. An elongated caulking band flange member is arranged in abutting relationship with a corner of the elongated foam cell body member. A thin flexible air fin is arranged in close environmental sealing relationship with the elongated foam cell body member and the opening in the wall of the building. A securement member is arranged to fasten the window or door surrounding frame arrangement, the elongated foam cell body member and the air fin, all to the building wall opening.
Owner:MICHAUD DONALD A

Synthetic method of hydroxyl butenolide and congener thereof

InactiveCN103420959ASimplified purification stepsConducive to the development of green industrialization technologyOrganic chemistryOxygenNatural fiber
The invention relates to a green synthetic method of hydroxyl butenolide and congeners thereof, and the synthetic method is especially suitable for one-step method preparation of hydroxyl butenolide from chemical raw materials like furfural and furoic acid. A routine dyeing technology is employed to load a photosensitizer on renewable natural fiber to obtain a green photosensitizer; in the presence of light, reaction raw materials react with oxygen to prepare hydroxyl butenolide through the one-step method. The method provided by the invention eliminates the problem that photosensitizer and products are difficult to separate, and that the photosensitizer can not be reused; and the method also solves the problem that although a high-molecular polymer loaded photosensitizer can be reused, the carrier raw material is non-renewable and causes environmental pollution for wasting. The method provided by the invention has the advantages of reaction under room temperature, relax temperature control and simple post-treatment steps, substantially increases product yield and is in favor of development and industrialization of green chemistry technology in hydroxyl butenolide synthesis technology.
Owner:BEIJING INSTITUTE OF CLOTHING TECHNOLOGY

Transition assemblies for building opening

A sealing assembly for securely and insulatively maintaining a window or door and surrounding frame arrangement within an opening of a building wall. The sealing assembly comprises an elongated foam cell body member arranged within a channel of the surrounding frame arrangement of the window or door, wherein the elongated cell body member has a wall-opening-facing side. An elongated caulking band flange member is arranged in abutting relationship with a corner of the elongated foam cell body member. A thin flexible air fin is arranged in close environmental sealing relationship with the elongated foam cell body member and the opening in the wall of the building. A securement member is arranged to fasten the window or door surrounding frame arrangement, the elongated foam cell body member and the air fin, all to the building wall opening.
Owner:MICHAUD DONALD A

Method for controlling poultry coccidiosis

A method of controlling poultry coccidiosis in chickens through the application of a formulated disinfectant and administration of a formulated coccidiostat provided in drinking water for the chickens. The method of the present invention includes formulation of a phenolic based disinfectant wherein the disinfectant includes phenol derivatives, organic solvents, organic acids, inorganic acids and an anionic surfactant. The disinfectant is applied to the surface of the area where chickens will be raised prior to placement of the chickens. A coccidiostat is formulated wherein the coccidiostat includes a water extract of Salvia Libonitica, eucalyptus oil and peppermint oil. The coccidiostat is diluted in drinking water that is provided to the chickens during the first thirty five days of raising. The drinking water having the coccidiostat diluted therein is provided intermittently a total of fifteen times during the initial thirty-five day raising period.
Owner:KRULL WERNER +1

Hot gas quenching devices, and hot gas heat treating system

InactiveUS20060086442A1Performed more safely and moreAvoid crackingBlast furnace detailsHeating stovesCelsius DegreeGas quenching
A metal heat treatment method includes quenching a workpiece by blowing an inert gas onto the workpiece, adjusting the temperature of the inert gas to approximately an isothermal holding temperature of the workpiece for transformation of the workpiece, holding the isothermal holding temperature within a margin of error of approximately plus or minus five degrees Celsius for a given period, and performing a metal heat treatment with the isothermal holding temperature kept statically or dynamically by varying the temperature of the hot-gas.
Owner:TANIGUCHI

Transmission electron microscope sample rod capable of measuring nano-monomer absorption spectrum and use method thereof

The invention discloses a transmission electron microscope sample rod capable of measuring nano-monomer absorption spectrum and a use method thereof. The sample rod comprises a shell of which the cross section is U-shaped; an incident optical fiber and a receiving optical fiber which are arranged in the U-shaped shell; an optical path generation and receiving device which is arranged at one end in the shell, and a piezoelectric ceramic driving cylinder, a metal copper cap and a metal probe which can be loaded on the metal copper cap; and a sample loading table which is arranged at the other end in the U-shaped shell, wherein the end head of the incident optical fiber stretches out of the U-shaped shell into the cavity of the sample rod, the end head of the receiving optical fiber is connected with quartz waveguide and also stretches out of the U-shaped shell into the cavity of the sample rod and is aligned with the end head of the incident optical fiber. Accurate movement of the metal copper cap and the metal probe is controlled through the piezoelectric ceramic driving cylinder, and a nano-monomer is transferred to the metal probe from the sample loading table and then the probe is moved to the end head of the incident optical fiber so as to realize measurement of the scattering and absorption spectrum of the nano-monomer.
Owner:SOUTHEAST UNIV

Drill bit of pile machine

The invention provides a drill bit of a pile machine, which comprises a drill bit matrix (1), a soil cutting part (2) and an expansion wing (3) with a drilling and digging knife, wherein the soil cutting part (2) is mounted at the front end of the drill bit matrix (1); and the expansion wing (3) is arranged on the drill bit matrix (1) in a swinging manner and rotates along with the drill bit matrix (1), and the cutting diameter formed by the rotation of the drilling and digging knife around the drill bit matrix (1) is changed through the swinging of the expansion wing relative to the drill bit matrix (1). The invention provides the drill bit of the pile machine, which is simple in structure and can be applied to building pile foundation construction under different geological conditions and in different areas.
Owner:JIANGSU TANGCHEN MACHINERY EQUIP MFG

Method for preparing copper film through controlled atmosphere cold spraying

The invention discloses a method for preparing a copper film through controlled atmosphere cold spraying. The method comprises the steps that firstly, original copper powder is conveyed into a powder oxygen content control unit, copper oxide on the surfaces of copper powder particles is reduced into copper, and the oxygen content of the copper powder is reduced; secondly, the copper powder treated through the powder oxygen content control unit is conveyed into a powder granularity control and powder feeding unit, the input copper powder is scattered and screened, and the granularity of the output copper powder particles is controlled within the set range; thirdly, the copper powder treated in the second step is conveyed into a cold spraying nozzle in a controlled oxygen partial pressure cavity; and fourthly, the speed and temperature of the copper powder particles are regulated and controlled through a gas pressure, flow and temperature control unit, and the copper powder particles in the controlled oxygen partial pressure cavity collide with base body depositions to form the copper film. The film obtained through the method is dense in structure and low in oxygen content, the conductivity is not lower than 80% that of corresponding component dense block materials, and the film is superior to a traditional electrolysis or copper electroplating film in the aspects of environment protection and cost.
Owner:XI AN JIAOTONG UNIV

Hot rolling thin strip direct hot galvanizing method based on CO reduction

The invention relates to a hot rolling thin strip direct hot galvanizing method based on CO reduction. The hot rolling thin strip direct hot galvanizing method comprises the following steps: conducting hot rolling on a sheet continuous casting to a product thickness; heating the hot rolling sheet after blowing and cleaning in a pure N2 atmosphere; carrying out a reduction reaction; blowing in pure N2 so that a steel strip is cooled; immerging in a zinc pot for galvanizing; adopting ventilation cooling or forced blowing cooling to room temperature after the steel strip is finished and reeled up. According to the hot rolling thin strip direct hot galvanizing method, the working procedures of acid pickling and cold rolling are eliminated, the emission of waste acid is reduced, and the environmental problem caused by acid pickling is solved; compared with a hydrogen gas reduction hot galvanizing production technology, CO gas is easily obtained in the metallurgical industry, and the cost is relatively low; the reduction product is CO2 gas, the oxidation of water vapor generated by a hydrogen gas reduction reaction on iron can be avoided, the quality of galvanizing products is improved, and the production cost can be reduced.
Owner:武汉钢铁有限公司

Preparation and use of non-chrome catalysts for Cu/Cr catalyst applications

A non-chrome, copper-containing catalyst, Cu—Al—O and method of preparing the same are provided wherein the Cu—Al—O catalyst is prepared by the co-precipitation of copper nitrate (Cu(NO3)2) and sodium aluminate (Na2Al2O4) solutions using sodium carbonate (Na2CO3) as a precipitant. The precipitate is filtered, washed to removed excess sodium, and dried. The dried product, to be used in a powder form, is calcined at a preferred temperature of approximately 700° to 900° C. for approximately 1 to 4 hours. The dry powder, to be tableted or extruded, is calcined at a temperature of approximately 400° to 700° C. The activity of the Cu—Al—O catalyst can be promoted in hydrogenolysis applications by the addition of various agents. The Cu—Al—O catalyst can be employed in applications in place of Cu / Cr, or other copper based catalysts.
Owner:ENGELHARD CORP

Intelligent urine volume measuring system based on ultrasound

The invention discloses an intelligent urine volume measuring system based on ultrasound, and belongs to the technical field of medical apparatuses and instruments. When the intelligent urine volume measuring system based on the ultrasound is adopted, the urine volume of a patient can be accurately recorded, manual participation is not needed in the measuring process, safety and reliability are achieved, and medical care quality and medical care efficiency can be effectively improved. The intelligent urine volume measuring system based on the ultrasound comprises ultrasound receiving and transmitting units, a control unit and a container for containing urine, wherein the container for containing the urine is of a central symmetry structure, four or more ultrasound receiving and transmitting units are symmetrically arranged on the top of the container along the center of the container, and each ultrasound receiving and transmitting unit is connected with the control unit; when the volume of the urine in the container needs to be measured, the ultrasound receiving and transmitting units arranged on the top of the container are started to send transmitting waves out, the transmitting waves return to form reflected waves after reaching the liquid surface, and the reflected waves are received by the ultrasound receiving and transmitting units; the control unit obtains the time interval between the time when the ultrasound receiving and transmitting units send the transmitting waves out and the time when the ultrasound receiving and transmitting units receive the reflected waves through measurement, and the volume of the urine in the container can be further obtained.
Owner:万谦科技(北京)有限公司
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