32results about How to "Efficient and reliable removal" patented technology

The present invention provides a removing method of a tube. Upon removing a tube 3 increased in diameter and fixed to a tube-sheet 1, an inserted portion 3a which is fixed to a tube-hole 2 of the tube-sheet 1 is heated and then cooled, thereby reducing its diameter. The inserted portion 3a is loosened from the tube-hole 2. Then, a region 3h opposed to a groove 4 formed in an inner circumference of the tube-hole is heated to a red-hot state, and the tube 3 is stretched in its axial direction, the red-heated region 3h is stretched to reduce its diameter and cut the region 3h, thereby pulling out the tube 3 from the tube-sheet 1.

In a water purification system in which a first filter (20) is placed in a flow of raw water for filtering the raw water to produce filtered water, a second filter (27) is placed downstream of the first filter for filtering the filtered water. The first filter is conductive and has a plurality of water passages through which the raw water flows. Each of the water passages of the first filter has a first diameter. At intervals, an electric voltage is applied to the first filter to destroy bacteria which is captured by the first filter. The second filter has a plurality of water passages through which the filtered water flows. Each of the water passages of the second filter has a second diameter smaller than the first diameter.

A spray nozzle assembly for directing thin, straight line, high pressure liquid spray onto moving steel slabs for penetrating and removing scale buildup in steel processing operations. The spray nozzle assembly includes a high impact attachment tube for accelerating liquid flow, a tungsten carbide spray tip at a discharge end of the high impact attachment tube for directing a flat spray pattern, an inlet defined by a strainer at an upstream end of the high impact attachment tube, and a staged vane section intermediate the inlet and spray tip for reducing liquid turbulence in the flow passageway. The vane section comprises a pair of axially spaced vanes each having a plurality of radial vane elements that define a plurality of laminar flow passageways, with the laminar flow passageways of one vane being circumferentially offset to the laminar flow passageways of the other vane.

In order to remove plating burrs generated in etching step, there is provided a manufacturing method of semiconductor devices on each of unit leadframes in a leadframe material in which a plurality of the unit leadframes are arranged in plural rows or a single row, wherein at least two types of plating burr removals are conducted after a half-etching is performed onto a front surface side of the leadframe material, using a first plating layer as resist film.

The present invention provides a removing method of a tube. Upon removing a tube 3 increased in diameter and fixed to a tube-sheet 1, an inserted portion 3a which is fixed to a tube-hole 2 of the tube-sheet 1 is heated and then cooled, thereby reducing its diameter. The inserted portion 3a is loosened from the tube-hole 2. Then, a region 3h opposed to a groove 4 formed in an inner circumference of the tube-hole is heated to a red-hot state, and the tube 3 is stretched in its axial direction, the red-heated region 3h is stretched to reduce its diameter and cut the region 3h, thereby pulling out the tube 3 from the tube-sheet 1.

The invention provides a silicon dioxide solution preparation method, grinding fluid, and a manufacture method of a glass substrate. The silicon dioxide solution preparation method is a silicon dioxide solution preparation method for removing foreign matters from a silicon dioxide solution containing silicon dioxide particles with a primary particle size of 1-80 nm, wherein the centrifugal acceleration G, the ratio of the sediment distance and the sediment time h / t, and the viscosity [eta] of the solution are controlled, thereby enabling the particle size Dp of the removed foreign matters to be 0.1-1 [mu]m. The grinding fluid is used in grinding of a main plane of the glass substrate for a magnetic recording medium, and contains the silicon dioxide solution prepared by the silicon dioxide solution preparation method enabling the particle size Dp of the removed foreign matters to be 0.1-1 [mu]m. The manufacture method of the glass substrate for the magnetic recording medium includes a procedure of using the grinding fluid to grind the main plane.

In an image forming apparatus that uses a charging unit to charge a photosensitive drum, forms an electrostatic latent image by carrying out image exposure according to image information, and transfers to a paper the electrostatic latent image by developing the electrostatic latent image into a visible image using a developer so that the image information is presented, an exhaust duct 33 for exhausting air that contains ozone produced within a drum unit 30, which includes a photosensitive drum 3 and a charging unit 5, and a duct 32 for taking in air, which draws in fresh air, are provided within the drum unit 30 so that ventilation of the drum unit 30 can be carried out with excellent efficiency.

Methods and systems for processing fish are provided which enable cutting of the fish and removal of the viscera without damage to either the viscera or the remaining fish product. The systems may include an adjustable cutting device to cut the belly in a particularly unobtrusive manner and / or an adjustable gutting device to severe a gullet of the fish from the fish body and to gather and remove the viscera without significant damage to the viscera or the remaining fish product. Extractors for severing the connection between the gullet and the fish are also provided to assist in removal of the viscera, including the gonads. Vacuum head assemblies for cleaning a cavity of the fish after the viscera is removed are also provided.

The invention provides a hand-held transmission line floating object removing device which comprises an insulated operating rod, a main device box of the device, a heating wire and a heating wire support frame. The tail end of the insulated operating rod is connected with the bottom of the main device box of the device. The top of the main device box of the device is mechanically connected with the heating wire support frame. Two ends of the heating wire are wound around the tail end of the heating wire support frame. The heating wire is electrically connected with the main device box of the device. The main device box of the device comprises a device control circuit and a power battery. The power battery is electrically connected with the device control circuit. The device control circuitis electrically connected with the heating wire. While being safe and convenient to operate, the device meets the requirement for efficiently cleaning floating objects on a line. The risk of an efficient trip is avoided. The operation reliability of the transmission line is improved.

Disclosed is a novel long-acting coating technology of oil and gas equipment. The novel long-acting coating technology includes the steps that first, surface treatment is conducted, an angular finishing grinder is used for treatment at the positions which are simple in structure, a pneumatic type steel needle impacting brush is used for treatment at the positions of cracks and dead angles for connection of the equipment, and old paint films and oxidation substances on the surface of the equipment can be efficiently and reliably removed; second, ground coat paint is sprayed, before spraying, in the first place, the dead angles and cracks of the equipment have to be painted through a writing brush and a row of brushes, and the film thickness of the positions is made to meet design requirements; third, plastering and leveling are carried out; fourth, intermediate paint is sprayed, and the intermediate paint is sprayed in the way of executing the second step repeatedly; fifth, defects are found visually, and supplementary plastering and one more leveling are achieved; sixth, finish paint is sprayed, and the finish paint is sprayed in the way of executing the second step repeatedly. Repeated painting is conducted at the dead angles and cracks of the equipment by the adoption of the writing brush, the row of brushes and the like, a paint protective film can be formed, hence, potential quality hazards caused by leaky spaying of the dead angles and cracks of the equipment or poor spraying can be eradicated, and therefore the service life of the equipment is greatly prolonged.

The present invention is a method of manufacturing a semiconductor device from a layered body including: a semiconductor substrate; a high dielectric film formed on the semiconductor substrate; and an SiC-based film formed on a position upper than the high dielectric film, the SiC-based film having an anti-reflective function and a hardmask function. The present invention comprises a plasma-processing step for plasma-processing the SiC-based film and the high dielectric film to modify the SiC-based film and the high dielectric film by an action of a plasma; and a cleaning step for wet-cleaning the SiC-based film and the high dielectric film modified in the plasma-processing step to collectively remove the SiC-based film and the high dielectric film.

The invention discloses heating equipment of oil filtering machine. The heating equipment comprises a heater and a particle type separator. The particle type separator is arranged in vacuum separating equipment of oil filtering machine and is externally connected to the heater; the other end of the heater is connected to an oil supply facility, and the heater is provided with a fuzzy temperature control instrument. By using a fuzzy temperature control technology, the heating time and technology for purifying oil are improved, the oil temperature can be controlled under 70 DEG C, the oil quality can be maintained, the structure of oil molecules is not destroyed, the heated oil can be effectively discharged by the particle type heater, the oil is stirred in the vacuum space of the vacuum separating equipment so as to separate impurities (water and gas) from oil, and the disqualified transformer oil is processed so as to obtain an oil product that can meet the national and international standards.

In a reactor cleaning apparatus 1 which cleans an inner wall surface 72 of a reactor 70 which generates polycrystalline silicon, a bell jar of the reactor 70 has a dual structure, a through hole 11 is formed along a vertical direction at a central portion of a substantially disc-like tray 10 placed in a horizontal state, a flange portion 13 in which an opening edge of the reactor 70 is placed is formed at an outer peripheral portion of the tray 10, a shaft 20 is provided through the through hole 11 of the tray 10 so as to be rotatable and movable in the vertical direction, a nozzle device 50 which sprays a cleaning water at high pressure in three-dimensional directions is provided at an upper end of the shaft 20, a drive mechanism 30 which rotates the shaft 20 and moves the shaft in the vertical direction is provided at a base end of the shaft 20, and steam piping 62 capable of supplying the steam within the bell jar of the reactor 70 is provided.

Disclosed is a novel long-acting coating technology of oil and gas equipment. The novel long-acting coating technology includes the steps that first, surface treatment is conducted, an angular finishing grinder is used for treatment at the positions which are simple in structure, a pneumatic type steel needle impacting brush is used for treatment at the positions of cracks and dead angles for connection of the equipment, and old paint films and oxidation substances on the surface of the equipment can be efficiently and reliably removed; second, ground coat paint is sprayed, before spraying, in the first place, the dead angles and cracks of the equipment have to be painted through a writing brush and a row of brushes, and the film thickness of the positions is made to meet design requirements; third, plastering and leveling are carried out; fourth, intermediate paint is sprayed, and the intermediate paint is sprayed in the way of executing the second step repeatedly; fifth, defects are found visually, and supplementary plastering and one more leveling are achieved; sixth, finish paint is sprayed, and the finish paint is sprayed in the way of executing the second step repeatedly. Repeated painting is conducted at the dead angles and cracks of the equipment by the adoption of the writing brush, the row of brushes and the like, a paint protective film can be formed, hence, potential quality hazards caused by leaky spaying of the dead angles and cracks of the equipment or poor spraying can be eradicated, and therefore the service life of the equipment is greatly prolonged.

The invention discloses a refining method of rice bran oil retaining oryzanol. The refining method comprises the steps of 1, conducting filter pressing impurity removal; 2, degumming with acid and alkali in sequence; 3, pre-decolorizing by using a small amount of activated clay, and then adding a large amount of activated clay under vacuum and high temperature for re-decolorizing; 4, performing low-temperature crystallization, filtration and dewaxing; 5, performing high-temperature steam stripping deacidification and deodorization; and 6, performing low-temperature low-speed stirring crystallization filter pressing degreasing. Filter pressing impurity removal equipment used in the first step comprises a machine frame component, a material pressing plate assembly, a pneumatic mechanism, a filter frame assembly and a material receiving trolley, the pneumatic mechanism is located on one side of the machine frame component, the filter frame assembly is located above the other side of the machine frame component, the material pressing plate assembly is located between the pneumatic mechanism and the filter frame assembly, and the material receiving trolley is oppositely arranged below the machine frame component. The problems that rice bran oil is large in acidity, and a large amount of oryzanol is decomposed and consumed in the refining process in the prior art are solved, and the nutritive value of the rice bran oil is increased.

An inkjet recording apparatus that includes an intermediate transfer body that has an image forming surface including an image forming region on which an image is formed by means of the ink droplets ejected from an ink ejection head and a cleaning device which makes contact with the image forming surface of the intermediate transfer body to wipe off and remove adhering material attached to the intermediate transfer body. A second cleaning device makes contact with the first cleaning device to remove adhering material attached to the first cleaning device. An ejection control device controls ink ejection from the head and a recovery device is provided which recovers the adhering material removed by the second cleaning device.

A purge device is capable of removing particles adhering to a gas introduction port in a container or on surrounding areas of a purge nozzle. The purge device includes a nozzle that is able to blow a gas, and a purge controller that controls the nozzle to blow the gas therethrough in a state in which a bottom surface of a container to be purged faces the nozzle.

In order to remove plating burrs generated in etching step, there is provided a manufacturing method of semiconductor devices on each of unit leadframes in a leadframe material in which a plurality of the unit leadframes are arranged in plural rows or a single row, wherein at least two types of plating burr removals are conducted after a half-etching is performed onto a front surface side of the leadframe material, using a first plating layer as resist film.