Patent application number | Description | Published |
20090299018 | Polylactide manufacturing apparatus and method for manufacturing polylactide - In a process of manufacturing polylactide, synthesis of high-quality polymers is achieved with a sufficient degree of vacuum secured. Provided is an apparatus for manufacturing polylactide which includes the steps of preparing lactide through oligomerization of lactic acid and depolymerization of the resulting oligomers, effecting ring-opening polymerization of the lactide, and removing unreacted lactide. The apparatus comprises an exhausting gas treatment device for reducing pressure in the step of removing unreacted lactide. The exhausting gas treatment device includes boilers ( | 12-03-2009 |
20100076165 | EQUIPMENT AND METHOD FOR PRODUCING POLYHYDROXYCARBOXYLIC ACID - This invention provides an equipment and a method for producing polyhydroxycarboxylic acid whereby the yield of a starting material in the process can be improved. | 03-25-2010 |
20100249362 | APPARATUS AND METHOD BOTH RELATING TO POLYMER SYNTHESIS - The present invention provides a method and apparatus for producing polylactic acid by depolymerizing lactic acid oligomers and subjecting the obtained lactide to ring-opening polymerization, through which lactide can be efficiently obtained. The present invention relates to a lactide production apparatus for continuously or intermittently producing lactide, comprising: a depolymerization device | 09-30-2010 |
20110160447 | METHOD FOR SYNTHESIZING ACROLEIN - An object of the present invention is to provide a method for commercially manufacturing acrolein in a large flow rate by making supercritical water and an acid interact with glycerin, wherein by efficiently mixing high-concentration glycerin and supercritical water with each other, the method is made capable of making the synthesis stably proceed with a high yield while the occlusion and abrasion of the pipes and devices due to the generation of by-products are being suppressed. The method for synthesizing acrolein of the present invention is a method for synthesizing acrolein by making supercritical water and an acid interact with glycerin, the method using a reaction apparatus including: a cylindrical mixing flow path for mixing a fluid including glycerin and a fluid including supercritical water with each other; a first inlet flow path, disposed offset from the central axis of the mixing flow path, for making the fluid including glycerin flow into the mixing flow path; and a second inlet flow path, disposed offset from the central axis of the mixing flow path, for making the fluid including supercritical water flow into the mixing flow path, wherein the first inlet flow path and the second inlet flow path are each provided in a plurality of numbers in such a way that the first inlet flow paths and the second inlet flow paths are alternately arranged so as to encircle the central axis of the mixing flow path. | 06-30-2011 |
20110269934 | PRODUCTION METHOD AND APPARATUS FOR POLYTRIMETHYLENE TEREPHTHALATE - An object of the present invention is to provide a reasonable polycondensation step by which an appropriate molecular weight can be obtained and material decomposition associated with thermolysis can be suppressed, so as to contribute to production technology for PTT polymers. The production method for polytrimethylene terephthalate comprises an esterification step and a polycondensation step, wherein the polycondensation step is divided into multiple stages, polycondensation is performed using a polymerization vessel having a twin-shaft agitator in the final stage of the polycondensation step, and the polymerization temperature during the subsequent stage of the polycondensation step is less than the polymerization temperature during the former stage of the polycondensation step. | 11-03-2011 |
20110319667 | REACTION PROCESS UTILIZING CRITICAL - In order to perform organic synthesis process through action with supercritical water and acid stably while suppressing a trouble caused by a by-product, a method and an apparatus are provided, including the following steps. Water is supplied to high-pressure pumps ( | 12-29-2011 |
20120116100 | SYSTEM AND METHOD FOR PRODUCING POLYHYDROXYCARBOXYLIC ACID - An object of the present invention is to provide a method and a system by which hydroxycarboxylic acid cyclic dimers are efficiently generated, allowing high yields of high-quality polyhydroxycarboxylic acid to be obtained. The method for synthesizing polyhydroxycarboxylic acid comprises a depolymerization step for depolymerizing hydroxycarboxylic acid oligomers to produce hydroxycarboxylic acid cyclic dimers, wherein, in the depolymerization step, a reaction solution is heated via heat transfer from a heat medium passage under reduced pressure while the reaction solution is being flowing through a horizontally provided reaction solution passage. | 05-10-2012 |
20120202962 | DEVICE AND METHOD FOR PRODUCING POLYBUTYLENE SUCCINATE - A device and a method for producing high-quality polybutylene succinate are provided. The method for producing polybutylene succinate comprises the steps of: preparing a raw-material slurry by mixing succinic acid or a derivative thereof with 1,4-butanediol in a raw-material slurry preparation tank; storing the raw-material slurry in a raw-material slurry storage tank while maintaining flowability; carrying out an esterification reaction of the raw-material slurry in an esterification reactor; and synthesizing polybutylene succinate with a polycondensation reaction of the ester in a polycondensation reactor, in which the polycondensation reactor is divided, from the upstream side, into at least an initial polycondensation reactor, an intermediate polycondensation reactor, and a final polycondensation reactor, a catalyst is added in an amount from 1000 ppm to 3000 ppm in relation to succinic acid or a derivative thereof, the reaction time in the intermediate polycondensation reactor ranges from 0.25 hours to 0.75 hours, and the reaction temperature in the final polycondensation reactor ranges from 245° C. to 255° C. | 08-09-2012 |
20120215012 | PROCESS AND SYSTEM FOR PURIFICATION OF TETRAHYDROFURAN - A method for purifying tetrahydrofuran from a liquid containing tetrahydrofuran and as impurities at least water, 2,5-dihydrofuran and butanol, the method comprising: a first distillation step in which the liquid is subjected to distillation using a distillation column to separate into a first bottoms product containing water as a major component and a first distillate containing tetrahydrofuran, 2,5-dihydrofuran and butanol as major components, a second distillation step in which the first distillate is subjected to distillation using a distillation column to separate into a second bottoms product containing tetrahydrofuran and butanol as major components and a second distillate containing 2,5-dihydrofuran as a major component, a third distillation step in which the second bottoms product is subjected to distillation using a distillation column to separate into a third bottoms product containing butanol as a major component and a third distillate containing tetrahydrofuran as a major component, and further comprising a recirculation step in which a part of the second top liquid is recirculated into the first distillation step as a recirculation liquid and the remaining part is discharged into the outside of the system. | 08-23-2012 |
20120255852 | REACTION PROCESS USING SUPERCRITICAL WATER - When obtaining a target substance by gradually cooling the reaction liquid by cooling in a plurality of stages divided in series, and then distilling the cooled reaction liquid by distillation in a plurality of stages divided in series, this method and this apparatus include: circulating a heating medium to be used for cooling in the plurality of the stages by way of; sequentially passing the heating medium toward the most upstream cooling stage from the most downstream cooling stage of the reaction liquid; cooling the heating medium which has been discharged from the most upstream cooling stage by using the heating medium for keeping or raising the temperature of the liquid which has been discharged from the distillation in the plurality of the stages; and returning the cooled heating medium back to the most downstream cooling stage of the reaction liquid. | 10-11-2012 |
20120310016 | PROCESS FOR SYNTHESIS OF ACROLEIN - An object of the present invention is to provide a technology which can suppress the blockage and abrasion of pipes and devices caused by the production of by-products and stably synthesize acrolein at a high yield, under a condition in which energy efficiency is improved by an elevated concentration of glycerol in a reaction liquid, in a process for synthesis of acrolein by reacting supercritical water and an acid with glycerol. An embodiment of the present invention includes: setting a concentration of glycerol in the reaction liquid at 30% by weight or lower; also cooling the reaction liquid to a temperature between a temperature (300° C. or lower) at which the reaction stops and a temperature (100° C. or higher) at which tar contained in the reaction liquid can keep a state in which its viscosity is sufficiently low; then separating and removing carbon particles from the reaction liquid; subsequently cooling the reaction liquid to a temperature which is a boiling point of water or lower and at which the tar component in the reaction liquid does not adhere to devices; and then decompressing the cooled reaction liquid. | 12-06-2012 |
20130338382 | REACTION APPARATUS AND METHOD USING SUPERCRITICAL WATER OR SUBCRITICAL WATER - In a method and apparatus for producing a useful substance by allowing a fluid containing a biomass raw material to act on a supercritical water and/or subcritical water, the fluid containing a biomass raw material in a high concentration is efficiently mixed with the supercritical water and/or subcritical water, whereby the amount of tar and carbon particles produced as by-products is decreased and blockage and abrasion of a pipe and an equipment is suppressed, or it is possible to easily remove the by-products. | 12-19-2013 |
Patent application number | Description | Published |
20130180427 | VEHICLE BODY TILTING DEVICE AND VEHICLE BODY TILTING METHOD FOR RAIL VEHICLE - A vehicle body tilting device for railway vehicle is arranged to control the tilt of a vehicle body by exchanging compressed air between a pair of left and right air springs. This device includes: a control valve for tilt operation, connected between the air springs; a pump for tilt operation, connected between the air springs through the control valve; and a control device for controlling both the control valve and the pump. The control valve forms a circulation flow path for allowing compressed air, delivered by the pump, to circulate therethrough. Before controlling the tilt of the vehicle body, the control device drives in advance the pump to circulate the compressed air through the circulation flow path to provide a delivery standby state, changes over at predetermined timing the position of the control valve, and delivers the compressed air from one of the air springs to the other. | 07-18-2013 |
20130319284 | RAILWAY VEHICLE BODY TILTING SYSTEM - A railway vehicle body tilting system has a height control valve for supplying and discharging compressed air to and from an air spring by an actuator, an auxiliary control valve for supplying compressed air to the air spring and thereby causing a car body to tilt, a backup valve for switching the connection between the air spring and either the height control valve or the auxiliary control valve, and a controller installed in each of vehicles linked together as a train. During normal operation, the controller provided in each of the cars controls the height control valve of the respective car and monitors for faulty operation in other linked controllers. If a fault arises in a linked controller, control over the malfunctioning controller is terminated, and another normal controller controls a backup valve in the car with the malfunctioning control device. | 12-05-2013 |
20140060379 | VEHICLE-BODY INCLINATION DEVICE AND DOUBLE-LAYER THREE-WAY VALVE USED IN VEHICLE-BODY INCLINATION DEVICE - A carriage-body inclination device ( | 03-06-2014 |
Patent application number | Description | Published |
20110130921 | IN-VEHICLE DISPLAY SYSTEM - An in-vehicle display system for installation in a vehicle displays information. The in-vehicle display system includes a display part that (i) displays multiple items of setting information respectively related to plural types of in-vehicle apparatus on a common area of a screen interchangeably such that the multiple items of one of the plural types of in-vehicle apparatus are displayed in the common area at one time, and (ii) displays an index indicating one of the in-vehicle apparatus that is presently a displaying subject of the common area, a first switching member, provided separate from the display part, receiving an instruction from a user for switching the in-vehicle apparatus that is the displaying subject to a first apparatus of the plural types of in-vehicle apparatus, and a second switching member, provided separate from the display part, receiving an instruction from the user for switching the in-vehicle apparatus that is the displaying subject to a second apparatus of the plural types of in-vehicle apparatus, the second apparatus being different from the first apparatus, and a position of the second switching member relative to a position of the first switching member corresponds with a displayed position of an index of the second apparatus relative to a displayed position of an index of the first apparatus. | 06-02-2011 |
20110131494 | INFORMATION PROCESSING APPARATUS, AUDIO APPARATUS, AND INFORMATION PROCESSING METHOD - An information processing apparatus is provided. An item selection device selects, through a selection manipulation unit, an item from a plurality of items which are displayed in the form of a list and arranged in an arrangement direction. A manipulation detection unit detects a state of a selection manipulation of the selection manipulation unit. A display area enlargement unit enlarges a display area of the selected item in the arrangement direction when the manipulation detection unit detects that the selection manipulation of the selection manipulation unit is stopped. | 06-02-2011 |
20110131515 | IN-VEHICLE DISPLAY SYSTEM - The receiver respectively receives an instruction by a first operation to select a first item from amongst a plurality of first items displayed on a display unit, an instruction by a second operation to determine the first item selected from amongst the plurality of first items, and an instruction by a third operation to display a plurality of second items representing commands relating to the first item selected from amongst the plurality of first items. | 06-02-2011 |
20110131519 | IN-VEHICLE DISPLAY SYSTEM - An in-vehicle display system is installed in a vehicle for displaying information to a user. The system includes a display unit that displays information; an operation unit that is located separately from the display unit and that allows a user to perform user operations including a directional operation and a turning operation; and a receiver that receives user instructions for making entry of plural characters that can be displayed on the display unit, based on displayed content displayed on the display unit and the user operations made with the operation unit. The receiver receives: (i) a first one of the directional operation and the turning operation as the user instruction in order to select a group from amongst a plurality of groups displayed on the display unit each of the plurality of groups representing a plurality of characters which are candidates for entry, and (ii) a second one of the directional operation and the turning operation as the user instruction in order to select a character from amongst the plural characters included in the group that is selected by the first one of the directional operation and the turning operation. | 06-02-2011 |
20110164053 | INFORMATION PROCESSING DEVICE AND INFORMATION PROCESSING METHOD - An information processing device capable of processing navigation information is provided. Image processing means generates a signal for displaying a basic screen including a predetermined display element, to which a predetermined function is assigned, on a display device and outputs the signal to the display device. Detection means detects a user's operation of the predetermined display element displayed on the display device. Image generation means generates a superimposed display image for providing the predetermined function assigned to the predetermined display element when the operation is detected by the detection means. When the superimposed display image is generated by the image generation means, the image processing means generates a signal for displaying a superimposed screen, in which the superimposed display image is superimposed on the basic screen, on the display device and outputs the signal to the display device. The superimposed display image generated by the image generation means includes a relation display image which allows the user to visually understand a relation between the predetermined display element and the superimposed display image. The relation display image is generated so as to be continuously displayed even when a displayed content of the superimposed display image is updated. | 07-07-2011 |
20110164062 | INFORMATION PROCESSING DEVICE AND IMAGE PROCESSING DEVICE - An information processing device capable of processing navigation information is provided. A touch panel can display images and can receive a user's touch operation. An image generation section generates a navigation image including a map image and a plurality of operation button images for receiving the touch operation, the images being displayed on the touch panel. A plurality of operation button images include a first operation button image related to a navigation function and a second operation button image related to a plurality of functions other than the navigation function. The image generation section generates a first image which is obtained by combining the navigation image and the first operation button image and a second image which includes the second operation button. The first image and the second image are respectively displayed in a first display region and a second display region. The first display region and the second display region are separated by a movable boundary. | 07-07-2011 |
20110181540 | NAVIGATION SYSTEM - A navigation system is provided. A medium insertion port is disposed on the front surface of a main unit and a portable recording medium is loaded into or unloaded from the main unit through the medium insertion port. A display unit is disposed on the front surface of the main unit and can move between a closed position where the medium insertion port is covered and an opened position where the medium insertion port is exposed. A limitation section limits the movement of the display unit to the opened position. A limitation removing section removes the limitation by the limitation section. An operation section receives an operation on the navigation system. The operation section can receive an operation other than an operation to be intrinsically received by the operation section. The limitation removing section removes the limitation by the limitation section when the operation section receives the operation other than the operation to be intrinsically received. | 07-28-2011 |
Patent application number | Description | Published |
20130111809 | GREEN PELLET - Provided is a green pellet ( | 05-09-2013 |
20130139647 | PARTIALLY-REDUCED IRON PRODUCING METHOD AND PARTIALLY-REDUCED IRON PRODUCING APPARATUS - A reduction furnace includes a pellet material supplying device forming on a grate an ignition carbon material layer having a predetermined height; an ignition device; and an exhaust gas circulation device supplying an oxygen-containing gas comprising circulated exhaust gas mixed with air, to a packed bed of the pellets heated by a combustion heat of the ignition carbon material layer. A partially-reduced iron is produced by thermally reducing the pellets through a combustion region for the ignition carbon material layer and a heating region, the combustion region formed upstream in a travelling direction of the grate by supplying a gas having a high oxygen concentration, the heating region formed downstream of the combustion region by supplying a gas having a low oxygen concentration. | 06-06-2013 |
20130180362 | PARTIALLY-REDUCED IRON PRODUCING APPARATUS AND PARTIALLY-REDUCED IRON PRODUCING METHOD - A partially-reduced iron producing apparatus includes: a supplying device laying ignition raw- material pellets on an endless-grate; a heating furnace heating the ignition raw-material pellets; another supplying device laying the raw material pellets on the ignition raw-material pellets; and an exhaust gas circulation device supplying an oxygen-containing gas to the raw-material pellets. The oxygen containing gas is made by circulating part of an exhaust gas discharged from the raw-material pellets and mixing it with air. A partially-reduced iron is produced by thermally reducing the raw-material pellets in a bed height direction thereof through separate combustion and heating regions. The combustion region formed on an upstream side in a travelling direction of the endless grate by supplying the oxygen-containing gas having a high oxygen concentration. The heating region formed downstream of the combustion region in the travelling direction of | 07-18-2013 |
20140084524 | PARTIALLY-REDUCED IRON PRODUCING APPARATUS - A partially-reduced iron producing apparatus includes: an exhaust gas circulating device supplying an oxygen-containing gas to raw-material pellets to be heated by ignition of raw-material pellets, the oxygen-containing gas made by circulating part of an exhaust gas by use of the heat of the ignition raw-material pellets and mixing the discharged exhaust gas with air; and a liquid-tar separating device which is provided in the exhaust gas circulating device. A partially-reduced iron is produced by heating and reducing the whole of the raw-material pellets in a bed height direction thereof through a combustion region for the raw-material pellets and a heating region for the raw-material pellets, the combustion region formed on an upstream side of an endless grate by supplying the gas having a high oxygen concentration; and the heating region formed downstream of the combustion region of the endless grate by supplying the gas having a low oxygen concentration. | 03-27-2014 |
Patent application number | Description | Published |
20100031858 | Pulverized Coal Boiler - The present invention provides a highly reliable pulverized coal boiler that ensures suppression of a rise in flame temperature caused during the combustion of an unburnt gas in a furnace when combustion air is supplied from after-air ports so as to reduce the concentration of thermal NOx generated during the combustion. | 02-11-2010 |
20100223926 | Dust Coal Boiler, Dust Coal Combustion Method, Dust Coal Fuel Thermal Power Generation System, and Waste Gas Purification System for Dust Coal Boiler - A pulverized coal thermal power generation system that significantly reduces the amount of NOx emissions from a boiler and does not require a denitration unit is provided. When a denitration unit is not used, performance to remove mercury from a boiler waste gas is reduced. A waste gas purification system for a pulverized coal boiler, that compensates for this is provided. | 09-09-2010 |
20100224108 | PULVERIZED COAL-FIRED BOILER AND PULVERIZED COAL BURNING METHOD - A pulverized coal-fired boiler efficiently supplies air to a central part of a furnace and the neighborhood of a furnace wall, thereby promoting mixture with combustion gas, and reducing both NOx and CO. | 09-09-2010 |
20130255547 | PULVERIZED COAL-FIRED BOILER AND PULVERIZED COAL BURNING METHOD - A pulverized coal-fired boiler efficiently supplies air to a central part of a furnace and the neighborhood of a furnace wall, thereby promoting mixture with combustion gas, and reducing both NOx and CO. The main after air ports are structured so as to jet air having a large momentum for enabling arrival at the central part of the furnace, and the sub-after air ports are structured so as to jet air having a small momentum to the neighborhood of the wall face of the furnace, and a sectional center of each of the sub-after air ports is within a range from 1 to 5 times of a caliber of the main after air ports from a sectional center of each of the main after air ports. | 10-03-2013 |