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1161results about How to "Convenient storage and transportation" patented technology

Baby Stroller Folding Device

The present invention provides a baby stroller folding device comprising an upper stroller frame, having a bendable handle installed at an upper end of the upper stroller frame; a lower stroller frame, with an upper end coupled to the upper stroller frame, and having a front wheel leg of a front wheel and a bendable step pipe disposed at the bottom of the lower stroller frame; a rear wheel leg, disposed separately on both sides of the upper and lower stroller frames, and having the rear wheel installed at the bottom of the rear wheel leg, a first slide member installed at the middle of the rear wheel leg, a pull rod installed between the first slide member and the upper and lower stroller frames, and a latch rod disposed at an upper end of the rear wheel leg; a folding joint, installed separately between the upper and lower stroller frames and the rear wheel leg, for coupling and positioning the upper and lower stroller frames, and the rear wheel leg having internal and external gear discs with a notch each and selectively latched and detached with respect to the latch rod; and a link mechanism, installed between the two rear wheel legs, and having a plurality of pipe frames, slide members, link rods and a start element, and the start element being coupled to the latch rod by a steel rope, such that the baby stroller folding device can fold the baby stroller in longitudinal and transversal directions at the same time smoothly by a simple operation.
Owner:UNIQUE PRODS & DESIGN

Preparation method of soil conditioner

The invention relates to a preparation method of a soil conditioner, belonging to the technical field of fertilizer preparation. The soil conditioner is mainly prepared from the following raw materials in parts by weight: 50-70 parts of plant straw carbon, 20-35 parts of fowl/livestock dung, 10-15 parts of bone meal, 1-8 parts of potassium sulfate, 2-8 parts of wood vinegar liquid, 3-9 parts of plant growth regulator and 0.5-1 part of active agent. The preparation method comprises the following steps: preparing carbon powder, pretreating the fowl/livestock dung, preparing a mixture, assaying and detecting, granulating and packaging. The soil conditioner is prepared by mixing the crop straw/bamboo/wood/grass carbon, which is used as the main component, with certain amounts of trace elements, plant growth regulator and bamboo/wood/grass vinegar liquid; since the soil conditioner not only is rich in the three main nutrient elements (nitrogen, phosphorus and potassium) which are essential for crops, but also contains secondary and trace elements, such as calcium, magnesium, sulfur, iron, boron, molybdenum, copper, cobalt and the like, the nutrient proportion of the soil conditioner is reasonable; and when being used as a conditioner, the soil conditioner can increase the organic content of soil and provide more comprehensive nutrients for crops, so that the crops have the advantages of good growth vigor, plump grains and much higher yield.
Owner:唐山汇力科技有限公司

Method for preparing calcium oxide and sulfur by double-atmosphere fluidized roasting of desulfurated gypsum

The invention provides a method for preparing calcium oxide and sulfur by double-atmosphere fluidized roasting of desulfurated gypsum, belonging to the technical fields of solid pollutant treatment and in environmental protection chemical production. The method comprises the following steps: drying and dehydrating aged desulfurated gypsum, and then entering a multi-stage suspension heat exchangerfor pre-heating; entering hot-state gypsum into a circulating fluidized bed decomposition furnace, and introducing primary and secondary air for decomposition; cooling discharged hot-state calcium oxide, wherein cooled hot-state calcium oxide is used as a desulfurizer for later use; entering discharged smoke containing sulfur dioxide into the multi-stage suspension heat exchanger; removing calcium oxide dust in cooled hot smoke through multi-stage dust removing equipment; and feeding the smoke without the dust into a high-temperature-resistant high-efficiency filter for further removing the dust, and feeding clean smoke into a sulfur recovery system; and preparing the sulfur product by the processes of hot reduction, catalytic reduction, Clause reaction and the like, and feeding Clause tail gas into a coal burning boiler in a power plant for combustion. The method has the advantages of good environmental protection benefits and strong economic benefits.
Owner:CHINA PETROCHEMICAL CORP +1

Freshly squeezed spray drying Mongolian dandelion herb granular decoction pieces and preparation process thereof

The invention discloses freshly squeezed spray drying Mongolian dandelion herb granular decoction pieces and a preparation process thereof. The process is characterized by harvesting the medicinal material Mongolian dandelion herb, then cleaning, selecting and drip-washing Mongolian dandelion herb, squeezing Mongolian dandelion herb while Mongolian dandelion herb is fresh and taking the juice after filtration; adding water to the dregs, stirring the dregs and carrying out filtering and squeezing; mixing the obtained juice and then carrying out vacuum concentration, carrying out spray drying, collecting a spray-dried product, grinding the spray-dried product, mixing the powder with the juice obtained after primary squeezing, granulating the mixture and carrying out vacuum packaging after granule straightening. The Mongolian dandelion herb granular decoction pieces prepared by the method furthest retain the polar and nonpolar active ingredients in the medicinal material, have good flowability, are easy to store and transport and convenient to regulate, are controllable in quality, have reliable curative effects and have great significance in guaranteeing the clinical effects of traditional Chinese medicines. Popularization and implementation of the method has remarkable social significance and economic benefits.
Owner:WUHU TIANCHENG PUYANG TRADITIONAL CHINESE MEDICINE TECH CO LTD

Virtual-axis millimeter-wave human body security check system

The invention relates to a virtual-axis millimeter-wave human body security check system. The system comprises a virtual-axis guide rail unit, a scanning unit, a scanning driving unit, a data processing unit and a display unit, wherein the virtual-axis guide rail unit comprises a first circular-arc-shaped guide rail; the scanning unit comprises a first group of millimeter-wave antenna arrays and a first millimeter-wave transceiver; the scanning driving unit is used for driving the first group of millimeter-wave antenna arrays to scan in a reciprocating virtual-axis circular-arc-shaped locus on the first circular-arc-shaped guide rail; the data processing unit is used for processing a detection signal from the scanning unit to form a human body image to be detected; the display unit is used for displaying the at least one human body image to be detected. In the human body security check system disclosed by the invention, a virtual-axis scanning way is used, the motion load does not need to be reduced, and the rotational inertia is reduced, so that the scanning speed is increased. The system is small in occupied space, and a single / double-module security check system can be assembled more flexibly according to the size of a practical space and the checked amount.
Owner:BEIJING INST OF RADIO METROLOGY & MEASUREMENT

Ladle refining slag modifier, preparation method and slag modifying method

The invention belongs to the technical field of steelmaking and refining, and discloses a ladle refining slag modifier, a preparation method and a slag modifying method. The slag modifier comprises the following chemical components in percentage by mass: 30 to 60 percent of CaO, 30 to 60 percent of Al2O3, 2 to 10 percent of MgO2, 2 to 10 percent of B2O3, and less than 8 percent of impurities. The slag modifying method using the slag modifier comprises that: the slag modifier is hoisted to the front of a refining furnace after a steelmaking furnace discharges steels, and then is directly fed into ladles, or the slag modifier can also be fed into the furnace along with other slags at a refining station; the components of modifying slag are determined according to the ladle residue amount and components, desulfuration amount and steel deoxidation product amount; and the modifying slag for controlling the ladle slag comprises the following components according to the adding amount: 48 to 54 percent of CaO, 26 to 32 percent of Al2O3, 6 to 8 percent of MgO, 2 to 4 percent of B2O3, and 0 to 8 percent of SiO2, wherein the modifying slag is better if the content of the SiO2 is lower. The slag modifier has the capabilities of quickly manufacturing the slag, improving desulfuration and deoxidation of the refining slag and accommodating and absorbing deoxidation products, and is simple to prepare and convenient to store, transport and use.
Owner:JIANGSU UNIV
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