99results about How to "Efficient and quick removal" patented technology

The invention provides a balloon guide catheter, and in particular relates to the technical field of medical apparatus and instruments. The catheter is a composite pipe composed of an outer tube, an inner tube, and a suction tube positioned at the far end of the catheter which are coaxial, and a flexible balloon capable of realizing the full or contraction state is connected to the outer layer ofthe far end of the outer tube; an annular cavity between the inner tube and the outer tube forms a balloon filling cavity; the far end of the inner tube is welded to the near end of the suction tube;an inner cavity of the inner tube is connected with the inner cavity of the suction tube in series to form a guide cavity of the catheter, namely, a thrombus suction cavity; a main inner hole of a Y-shaped joint communicates with the inner cavity of the inner tube to form a wire guide cavity and the thrombus suction cavity; and the axis of side holes of the Y-shaped joint and the axis of the maininner hole of the Y-shaped joint have intersection at the near end direction of the catheter to form an acute angle, and the side holes of the Y-shaped joint and a gap between the outer wall of the inner tube and the inner wall of the outer tube communicate to form the balloon filling cavity. For the balloon guide catheter, during the interventional treatment process, blood flow can be blocked, sothat small broken thrombus is prevented from blocking the far end, and meanwhile, large thrombus blocks at the near end can be sucked, so that the surgery effect is greatly improved.

The invention discloses a full-feeding type peanut combined harvester and belongs to the field of agricultural harvesting machinery. The full-feeding type peanut combined harvester comprises a vibrating digging shovel, a soil distributing and conveying device, a peanut picking device, a cleaning device, a peanut collecting device and the like. The vibrating digging shovel performs reciprocating vibration and is a sawtooth type vibrating digging shovel, a belt wheel transfers power to the vibrating digging shovel through a crankshaft and a connecting rod to achieve reciprocating vibration of the vibrating digging shovel. The soil distributing and conveying device is located at the rear portion of the digging shovel, and soil on peanut vines is screened while the soil is conveyed backwards. A feeding conveying belt is located under the back of the soil distributing and conveying device, the tail portion of the conveying belt extends into the peanut picking device, and the peanut vines are fed into the peanut picking device through the feeding conveying belt. The full-feeding type peanut combined harvester has the advantages that digging, soil screening, peanut picking, cleaning, peanut collecting and the like are finished in one time, the harvesting efficiency is improved, and peanut picking gaps of peanut picking rollers can be adjusted according to peanut varieties, planting density, maturity and the harvesting speed.

Provided area cleaning apparatus and an associated method of using the disclosed apparatus wherein the apparatus utilizes one or more nozzles configured to provide a coherent stream of one or more cleaning fluids for removing accumulated fine particulate matter, sludge, from surfaces. The nozzles may be sized, arranged and configured to provide coherent streams that maintain the initial stream diameter for a substantial portion of the maximum dimension of the space being cleaned. The apparatus and method are expected to be particularly useful in the cleaning of heat exchangers incorporating a plurality of substantially vertical and narrowly spaced tubes by directing cleansing streams along a plurality of intertube spaces.

The invention discloses a UiO-66 based MOF (metal organic framework) material for indoor formaldehyde purification at the room temperature and an application of the material. The UiO-66 based MOF material has the specific surface area of 900-1,200 m<2>/g, has acidic unsaturated coordination ZrOx cluster defect sites and contains alkaline amino groups. The prepared UiO-66 based MOF material has difunctional acid-alkali synergetic catalysis capacity, can activate water molecules and promote adsorbed formaldehyde to be converted into relatively non-toxic formic acid and methanol and prevents secondary pollution caused by desorption after saturated adsorption, and meanwhile, the UiO-66 based MOF material facilitates regeneration of a formaldehyde purification material, has great advantages inremoval of formaldehyde from indoor air, and is operated at normal temperature and under normal pressure; the UiO-66 based MOF material has outstanding performance and wide applicability, is free fromsecondary pollution and easy to regenerate, and has certain water resistance and high static saturated formaldehyde adsorption capacity; the speed is high, the saturated adsorption time is 10-20 min,and the applicable formaldehyde concentration range is wide.

The invention relates to a method for processing drinking water and a device using the same, relating to water treatment. A drinking water processing device and a drinking water processing method are provided. The processing device is provided with a reactor, a cathode, an anode, a diaphragm and a power supply. The cathode and the anode are arranged in the reactor and fixed on an electrode carrier which is arranged on the upper part of the reactor; the bottom of the diaphragm is fixed at the bottom in the reactor, the diaphragm divides the reactor into a cathode zone and an anode zone, the top of the reactor is provided with a water inlet, and the bottom of the reactor is provided with an alkaline water outlet and an acid water outlet. After water is introduced into the reactor, voltage is applied on the cathode and the anode to perform electrochemical reaction, the applied voltage is boosted, thus liquid water at the external micropores of the anode is vaporized with the action of joule heating to form plasma; water is processed, when the retention period of inflow water is larger than 10min, the organic matter, pathogen and heavy metal in water are removed, and weak alkaline water and weak acid water are respectively obtained at the alkaline water outlet and the acid water outlet.

An apparatus for removing water from an unfurled umbrella having a member with bristles to receive the axial length of an unfurled umbrella such that the at least one bristle support member surrounds the umbrella by at least 180 degrees, so the plurality of bristles compress the umbrella and remove water from the umbrella as the umbrella passes through the member with bristles.

A composite assembly for assembling documents and including a substrate sheet, and adhesive layer, and a release liner disposed over the adhesive layer. To assemble a document, the pages of the document are printed on the substrate sheets, the substrate sheets are ordered and aligned, the release liners are removed by the a portion of the release liner overlaying a removed tab being grasped and pulled to peel the release liners from the adhesive layers, and the pages are bonded together by pressure.

A material separator removes material such as sand from a fluid utilizing an inclined housing having a fluid flow inlet in a lower portion of the housing. Higher density material descends by gravity to a lower wall of the inclined housing and continues to travel down the lower wall portion to a lower section of the housing where it is removed. The remaining fluid which may contain a liquid and a gas is removed from the housing via an outlet at the upper portion of the housing.

The invention relates to a snow blowing and ice melting trolley for high voltage equipment. The trolley comprises a cart, an air compressor, a heater, supporting rods, a ventilation tube, a blowing nozzle and an operating rod. The air compressor and the heater are installed inside the cart, the cart is provided with an air outlet, the air outlet is connected with the lower end of the ventilation tube, and the upper end of the ventilation tube is connected with the blowing nozzle. The upper portion of the ventilation tube is connected with the operating rod, the middle of the ventilation tube is connected with the supporting rods, and the supporting rods are fixed to the cart. The cart comprises a cart body, cart wheels and cart handles. The air outlet and four round holes are formed in the top of the cart body, and the supporting rods and the operating rod can be inserted into the round holes. The trolley utilizes high-pressure air flow generated by the air compressor to blow and melt ice and snow covering the high voltage equipment and a frame, prevents a human body and a tool from directly making contact with the equipment and the frame, and achieves the safe, reliable and efficient snow blowing and ice melting effects.

A polishing pad is adapted for use on a polishing tool. The polishing tool has a support surface for receiving the polishing pad. The polishing pad comprises a polishing layer comprising a fabric polishing surface and a backing layer, the backing layer having an inner and outer surface. The outer surface of the backing layer is adapted to mechanically or adhesively attach in removable fashion to the support surface of the polishing tool. The polishing pad includes a middle layer made from a non-foam, solid thermoplastic polymer in the form of a flexible sheet. The middle layer self-bonds bonded to the polishing layer and the inner surface of the backing layer to form a three-layer polishing pad.

The invention provides a jaw that can be efficiently replaced, and that allows machining defects to be prevented. A stepped section 240 having a planar trapezoid shape and having an undulating engagement surface formed on two end surfaces 245, 246 is installed on the lower surface of a soft jaw 210 to form a stepped jaw 200. In a jaw installation groove 123 of a master jaw 120, the stepped section240 is gripped from both radial sides by a pair of grips 510, 540; and the stepped section 240 is pulled in towards the bottom of the jaw installation groove 123. The radial position of the soft jaw310 is defined by an engagement between serration surfaces 124, 234 on the lower surface of the soft jaw 310 and the upper surface of the master jaw 120. The tangential position of the soft jaw 310 isdefined by close contact of the stepped section 240 with the side surface of the jaw installation groove 123 that constitutes the base side of an isosceles trapezoid. The stepped jaw 300 and the grips 510, 540 are linked and fastened by a single clamp bolt 273. The stepped section 240 is linked to the soft jaw 310 from the lower surface; and no counterbores, etc., are present on the upper surface.

The invention discloses a method for quickly removing metronidazole by utilizing nanoscale zero-valent iron and application thereof. The method comprises the following steps: adjusting the pH value of a metronidazole-containing solution to be 3-9, adding nanoscale zero-valent iron and stirring. The invention first discovers that the nanoscale zero-valent iron can quickly and efficiently remove metronidazole, and the higher removal efficiency under the condition of larger change in pH value can reach more than 85%. The invention has simple reaction process, convenient operation, low requirements for equipment and low operating cost. The invention does not need add other chemical reagents, does not produce secondary pollution, and is efficient and environmentally friendly. The invention can be widely used in the fields of environmental pollution control and environmental remediation, and has good market prospects.

A catheterization sleeve is provided for radial access catheterization, The sleeve includes a dosed distal end, and open proximal end and a tubular sidewall extending between the ends. An access opening is formed in the tubular sidewall to permit access to a catheterization site on the arm of the patient.

The invention discloses a high-voltage pulse human-body calculus therapeutic system based on plasmas. The system comprises an endoscope device, a calculus crusher, an electrode probe and a foot switch, wherein the calculus crusher is used for generating high-voltage pulses; the electrode probe is connected with the calculus crusher through a transmission cable; the foot switch is connected with the calculus crusher through a wire cable; the electrode probe stretches into a human body, and directly touches calculi in the human body. According to the system, based on a touch type calculus crushing principle, after the electrode probe stretches into the human body, and directly touches the calculi, the calculi are crushed in a way that the calculus crusher generates high-voltage pulses, i.e. the calculi are intensively crushed in a way that the high-voltage pulses generate plasma explosion in the calculi; as the energy required for calculus crushing is on a lower level, little damage occurs to the human body; moreover, the calculus crushing energy can be precisely controlled every time; the system is safe and reliable to use, capable of efficiently and rapidly removing the calculi, wide in application prospect, and applicable for popularization.

A dust cover for a firearm includes a panel, a hinge pin and a spring disposed around the hinge pin. The spring engages the hinge pin so that the spring is non-slidable relative to the hinge pin. The spring includes a first prong that engages the panel to bias the panel away from the ejection port. The spring includes a second prong, distal from the first prong, that is manually engageable by a user to slide the hinge pin within a panel passageway while the spring remains non-slidable relative to the hinge pin so as to remove a part of the hinge pin from a hole defined by the firearm and thereby free the dust cover for removal from the firearm. A related method of use is provided.

In a method and magnetic resonance system for the removal of unwanted, perfusion-dependent signals from MR images, a series of MR images, that are acquired in a chronological progression and registered with one another, are loaded into a processor. In the processor, a spectrum of the time curve of the intensity of each image unit of the registered MR images in a selected region is created, a spectral range is determined with which the perfusion is to be associated, the spectra is filtered based on the determined spectral range, perfusion-corrected MR images are reconstructed by converting the filtered spectra back within the time domain. The perfusion-corrected MR images are displayed at a display unit and/or the perfusion-corrected MR images are stored at a memory unit.

An arrangement for removing dust from the atmosphere during cleaning of a generally flat surface, such as floor, includes a reservoir for providing water to a nozzle. Also included is an air compressor and a compressed air tank. Compressed air is provided in a controlled manner at an elevated pressure to the nozzle to reduce the water to minute droplets which absorb/encapsulate the dust particles and deposit them on the floor surface under the influence of gravity. A manual or automatic pressure regulator coupled to the outlet of the compressed air tank allows for selecting the air velocity and the size of the water droplets to match the size of the dust particles to increase the extent of dust removal. This dust removal approach can be used with virtually any type of generally flat surface and the compressed air has a siphoning effect to increase the water droplets produced and the dust particles removed.

The invention relates to a soil remediation method for treating polluted land and groundwater with fly ash and biomass charcoal, which uses a mixture of fly ash and biomass charcoal to synthesize surface soil, deep soil and groundwater of industrial and agricultural polluted land Soil remediation treatment, the fly ash includes but not limited to fly ash produced by power plants, blast furnaces in heating stations, paper mills and industrial and mining enterprises; the biochar includes but not limited to plants, wood and wood processing waste, Agricultural waste biomass of rice straw and straw, municipal solid organic waste, municipal sewage treatment plant sludge and biosolids are prepared by thermal cracking or hydrothermal carbonization processes.

The invention belongs to the technical field of environmental chemistry, and particularly relates to a clay mineral loaded nanometer zero valent iron, and a preparation method and use thereof. According to the clay mineral loaded nanometer zero valent iron, and the preparation method and the use thereof, tobacco stems and walnut green seedcases are used for preparing plant extracts, high toxicityand expensive sodium borohydride is replaced as reducing agents, and the clay mineral loaded nanometer zero valent iron is prepared; at the same time, the fact that the clay mineral loaded nanometer zero valent iron can effectively remove residues of anabasin pesticides in water is found for the first time, and the degradation effect is better than that of clay mineral, nanometer zero valent ironand clay mineral loaded nanometer zero valent iron prepared by conventional methods; and degradation conditions of the anabasin pesticides on the clay minerals loaded nanometer zero valent iron are optimized. According to the clay mineral loaded nanometer zero valent iron, and the preparation method and the use thereof, preparation conditions and the degradation conditions of the clay mineral loaded nanometer zero valent iron are optimized, great significance to diversified utilization of agricultural production wastes, reduction of production costs and reduction of environmental pollution areprovided; and at the same time, the reaction process is simple, and good market prospects in remediation and treatment of anabasine pesticide pollution environments are provided.

The present invention relates to a paper money processing apparatus. In the paper money processing apparatus for sorting and counting paper money, the apparatus is divided into three parts in order for sections of a transfer path to open the whole transfer path. When jammed paper money is removed, portions separated from a fixed main body are linked with each other through links to remove the jammed paper money through only one operation.

A buckle assembly structured for quick release and including a gripping assembly structured to removably retain an end connector in a locked position. Two locking segments are movably connected to one another and disposable between a closed orientation and a release orientation. The locked position includes the locking segments disposed in gripping engagement with the connector when the connector is disposed between the locking segments. A quick release assembly may be selectively positioned into a separating engagement with the locking segments to at least partially define a positioning thereof from their closed orientation into their release orientation. A secondary release assembly is connected to the gripping assembly and is independently operable to release the connector from the gripping engagement with the locking segments.

The invention discloses a device for collecting and removing solid floating objects on the water face. The device comprises a floating plate (1), a support (3) and a collecting net (2), wherein the surfaces of the support (3) and the floating plate (1) upwards protrude; and a net opening of the collecting net (2) and the support (3) are fixed to form a water inlet (4) for collecting the solid floating objects. The device for collecting and removing the solid floating objects on the water face is practical, rapid, efficient, low in cost and flexible in operation; and regardless of the size of the area of a water area, the number of persons and whether electrical machines exist or not, the solid floating objects can be rapidly and efficiently collected and removed. The invention further provides a method for removing the solid floating objects through the cleaning device.