Abstract

A stirring device includes: a stirring tank that accommodates a fluid; a fluid blade that is rotated to make the fluid flow in the stirring tank; and a stirring blade that is provided between a bottom portion of the stirring tank and the fluid blade, is rotated to stir the fluid, and includes a substantially-plate-shaped blade portion that extends from a rotary shaft of the stirring blade to a side wall of the stirring tank, in which a normal direction of a stirring surface of the substantially-plate-shaped blade portion is inclined with respect to both an axial direction of the rotary shaft and a rotation direction of the blade portion, and a blade diameter of the substantially-plate-shaped blade portion in an extension direction is between about 50% and 70% of a tank diameter of the stirring tank.

IPC Classes  ?

• B01F 27/192 - Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar elements
• B01F 27/09 - Stirrers characterised by the mounting of the stirrers with respect to the receptacle
• B01F 27/112 - Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
• B01F 27/1145 - Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections ribbon shaped with an open space between the helical ribbon flight and the rotating axis
• B01F 27/906 - Mixers with rotary stirring devices in fixed receptaclesKneaders with stirrers rotating about a substantially vertical axis with paddles or arms with fixed axis
• B01F 27/92 - Mixers with rotary stirring devices in fixed receptaclesKneaders with stirrers rotating about a substantially vertical axis with helices or screws

Abstract

A movement control system (100) of the present disclosure controls a mobile machine (92) which moves in a movement path (91) extending in a first direction along a plurality of ovens (90). The movement control system comprises: a plurality of detection object bodies (2) that are installed at predetermined intervals in the first direction; a detection unit (3) that is mounted on the mobile machine (92) and detects the detection object bodies (2); a distance measurement unit (4) that measures a separation distance (Ds) between a detection object body (2) and the detection unit (3); and a control unit (7) that determines a braking start timing (Ts) for stopping the mobile machine (92), using the detection result of the detection unit (3) and the measurement result of the distance measurement unit (4).

IPC Classes  ?

• G05D 1/43 - Control of position or course in two dimensions
• C10B 31/12 - Charging devices for coke ovens for liquid materials
• C10B 41/02 - Safety devices, e.g. signalling or controlling devices for use in the discharge of coke for discharging coke

Abstract

An agitator includes: an agitation tank that accommodates a fluid to be processed containing particles; a flow blade that agitates the fluid to be processed accommodated in the agitation tank; and a shear blade disposed inside the flow blade at a bottom of the agitation tank to disperse the particles. The shear blade 16 includes a base portion rotating around a predetermined axis and a plurality of blades provided at an edge of the base portion. An angle formed on a downstream side in a rotation direction of the base portion between the blade and a tangent line to an outer periphery of the base portion and each of the blades is 15 degrees or more and 60 degrees or less.

IPC Classes  ?

• B01F 27/113 - Propeller-shaped stirrers for producing an axial flow, e.g. shaped like a ship or aircraft propeller
• B01F 23/53 - Mixing liquids with solids using driven stirrers
• B01F 27/072 - Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis
• B01F 27/1145 - Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections ribbon shaped with an open space between the helical ribbon flight and the rotating axis
• B01F 27/192 - Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar elements
• B01F 27/91 - Mixers with rotary stirring devices in fixed receptaclesKneaders with stirrers rotating about a substantially vertical axis with propellers
• B01F 27/92 - Mixers with rotary stirring devices in fixed receptaclesKneaders with stirrers rotating about a substantially vertical axis with helices or screws

Abstract

This stirring device 10 comprises: a stirring tank 12 that accommodates a fluid; a fluidizing blade 14 that causes the fluid to flow within the stirring tank 12 by rotating; and a shearing blade 16 that is provided between a bottom part 22 of the stirring tank 12 and the fluidizing blade 14, the shearing blade 16 stirring the fluid by rotating, and the shearing blade 16 being provided with a blade part 17 extending from a shearing blade rotating shaft 46 toward a side wall 12a of the stirring tank 12. At least a part (lower end part) of the fluidizing blade 14 rotates between a distal-end section of the blade part 17 and the side wall 12a of the stirring tank 12. The direction normal to the stirring surface of the blade part 17 is inclined with respect to both the axial direction of the shear blade rotating shaft 46 and the rotation direction of the blade part 17. The bottom part 22 of the stirring tank is a flat surface.

IPC Classes  ?

• B01F 27/09 - Stirrers characterised by the mounting of the stirrers with respect to the receptacle
• B01F 27/1125 - Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades with vanes or blades extending parallel or oblique to the stirrer axis
• B01F 27/114 - Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections
• B01F 27/192 - Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar elements
• B01F 27/808 - Mixers with rotary stirring devices in fixed receptaclesKneaders with stirrers rotating about a substantially vertical axis with stirrers driven from the bottom of the receptacle
• B01F 27/84 - Mixers with rotary stirring devices in fixed receptaclesKneaders with stirrers rotating about a substantially vertical axis with two or more stirrers rotating at different speeds or in opposite directions about the same axis
• B01F 27/90 - Mixers with rotary stirring devices in fixed receptaclesKneaders with stirrers rotating about a substantially vertical axis with paddles or arms
• B01F 27/921 - Mixers with rotary stirring devices in fixed receptaclesKneaders with stirrers rotating about a substantially vertical axis with helices or screws with helices centrally mounted in the receptacle

Abstract

This viscosity estimation device comprises: a temperature change acquisition unit 62 that acquires a temperature change over time of a fluid being stirred by a stirring part 61 for stirring the fluid by rotation; and a viscosity estimation unit 63 that estimates the viscosity of the fluid being stirred on the basis of the rotation speed of the stirring part 61 and the temperature change acquired by the temperature change acquisition unit 62. An intra-tank thermometer 71 that can measure the temperature inside a stirring tank 12 accommodating the fluid is provided, and the temperature change acquisition unit 62 acquires the temperature change over time of the fluid being stirred on the basis of a result of the temperature measurement over time by the intra-tank thermometer 71. The stirring device further comprises a polymerization degree estimation unit 64 that estimates the polymerization degree of the fluid on the basis of the viscosity estimated by the viscosity estimation unit 63.

IPC Classes  ?

• G01N 11/14 - Investigating flow properties of materials, e.g. viscosity or plasticityAnalysing materials by determining flow properties by moving a body within the material by using rotary bodies, e.g. vane

Abstract

This agitator comprises an agitation tank for accommodating a fluid to be treated that contains particles, a flow blade for stirring the fluid accommodated in the agitation tank, and a shear blade 16 that is provided further on an inner side than the flow blade at the bottom of the agitation tank and disperses the particles. The shear blade 16 includes a base 60 that rotates around a predetermined axis and a plurality of blades 62 each of which is disposed on an edge of the base 60. An angle formed by the blade 62 and a tangential line of the outer periphery of the base 60 on the downstream side in the rotation direction of the base 60 is larger than 0 degree and equal to or smaller than 60 degrees.

IPC Classes  ?

• B01F 23/41 - Emulsifying
• B01F 23/43 - Mixing liquids with liquidsEmulsifying using driven stirrers
• B01F 27/1111 - Centrifugal stirrers, i.e. stirrers with radial outletsStirrers of the turbine type, e.g. with means to guide the flow with a flat disc or with a disc-like element equipped with blades, e.g. Rushton turbine
• B01F 27/114 - Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections
• B01F 27/192 - Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar elements
• B01F 27/921 - Mixers with rotary stirring devices in fixed receptaclesKneaders with stirrers rotating about a substantially vertical axis with helices or screws with helices centrally mounted in the receptacle
• B01F 27/93 - Mixers with rotary stirring devices in fixed receptaclesKneaders with stirrers rotating about a substantially vertical axis with rotary discs

Abstract

The sealing performance of a stirring device and the abrasion resistance of a seal are improved. A stirring device includes a stirring tank that defines a stirring chamber; a plurality of stirring blades that are disposed in the stirring chamber; a shear blade drive shaft that extends from a lower side of the stirring tank to the stirring chamber and rotationally drives at least one shear blade among the plurality of stirring blades; and a fixed ring and a rotating ring that is disposed radially outside the shear blade drive shaft and seals between the stirring tank and the shear blade drive shaft. A sealing surface of the mechanical seal structure is formed at the same height as or above a lowermost portion of the stirring chamber.

IPC Classes  ?

• B01F 35/31 - Couplings
• B01F 27/91 - Mixers with rotary stirring devices in fixed receptaclesKneaders with stirrers rotating about a substantially vertical axis with propellers
• B01F 35/30 - Driving arrangementsTransmissionsCouplingsBrakes

Abstract

In order to provide a distillation device that exhibits increased component-separation efficiency relative to conventional technology, a distillation device 400 is provided with at least one distillation column including a gas-liquid contact device 440, and a cylindrical peripheral wall 432 that accommodates the at least one distillation column, wherein the gas-liquid contact device 440 causes a treatment liquid that is flowing along the distillation column in the axial direction to flow in the circumferential direction of the peripheral wall 432 and undergo gas-liquid contact with a treatment gas. This configuration increases the component-separation efficiency.

IPC Classes  ?

• B01D 3/22 - Fractionating columns in which vapour bubbles through liquid with horizontal sieve plates or gridsConstruction of sieve plates or grids
• B01D 3/32 - Other features of fractionating columns
• B01J 19/32 - Packing elements in the form of grids or built-up elements for forming a unit or module inside the apparatus for mass or heat transfer

Abstract

There is provided a stirring device including a stirring tank including an inner peripheral wall which is circular in cross section, at least one circulating impeller and at least one dispersion blade which are located inside the stirring tank and rotatable around a vertical axis independently of each other, and a guide ring disposed radially outward near the dispersion blade. The circulating impeller is disposed along the inner peripheral wall of the stirring tank, and rotates around the vertical axis to form at least a downward flow in a stirring object existing inside the stirring tank. The dispersion blade rotates to apply a shear force to the stirring object, and is disposed at a radially inner position of the stirring tank from the circulating impeller, and at a position in contact with a flow of the stirring object, which is formed by the circulating impeller.

IPC Classes  ?

• B01F 27/1125 - Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades with vanes or blades extending parallel or oblique to the stirrer axis
• B01F 27/1145 - Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections ribbon shaped with an open space between the helical ribbon flight and the rotating axis
• B01F 23/41 - Emulsifying
• B01F 23/43 - Mixing liquids with liquidsEmulsifying using driven stirrers
• B01F 27/86 - Mixers with rotary stirring devices in fixed receptaclesKneaders with stirrers rotating about a substantially vertical axis co-operating with deflectors or baffles fixed to the receptacle
• B01F 101/06 - Mixing of food ingredients
• B01F 101/21 - Mixing of ingredients for cosmetic or perfume compositions

Abstract

A guide cart that is equipped with a cage for guiding coke pushed out of carbonization chambers of a coke oven by pusher rams and that is movable in a first direction, which crosses the moving directions of the pusher rams. The cage includes a support frame that supports a guide member with which the line extending along the moving direction of each pusher ram is surrounded and which forms a coke guide path. The support frame comprises: an upper frame part, which extends in the first direction over the guide path; a lower frame part, which extends in the first direction under the guide path; vertical frame parts, which connect the upper frame part to the lower frame part; first beam members, which connect the upper frame part to the vertical frame parts; and second beam members, which connect the lower frame part to the vertical frame parts. The first beam members and the second beam members have been disposed obliquely to both the first direction and the vertical direction.

IPC Classes  ?

• C10B 33/14 - Coke guides

Abstract

A pusher which includes a pusher ram 54 that is put into and taken out from a carbonization chamber of a coke oven in a first direction, the pusher being equipped with a first support structure 20 whereby the pusher ram 54 is supported movably in the first direction. The first support structure 20 includes oblique beam members 28 which, in a plan view, are oblique to the first direction and a second direction.

IPC Classes  ?

• C10B 33/10 - Pushers, e.g. rams for horizontal chambers

Abstract

This distillation apparatus is provided with a partition plate extending vertically to partition, into a plurality of chambers, an interior of a column body constituting a distillation column, and also provided with a displacement suppressing unit which is located above or below the partition plate in a direction that is along a radial direction of the column body and along an extension direction of the partition plate, and has a bending stiffness higher than that of a vertical intermediate part of the partition plate.

IPC Classes  ?

• B01D 3/32 - Other features of fractionating columns
• B01D 3/26 - Fractionating columns in which vapour and liquid flow pass each other, or in which the fluid is sprayed into the vapour, or in which a two-phase mixture is passed in one direction

Abstract

This stirring device is provided with flow fins 3 and dispersing fins 4 that can rotate independently of each other and a guide ring 5 affixed in the vicinity of the outer diameter of the dispersing fins 4. The flow fins 3 are provided along the inner peripheral wall 2a of a stirring tank 2 and rotate around a vertical shaft to form at least a downward flow in the stirred object present within the stirring tank 2. The dispersing fins 4 impart shearing force on the stirred object by rotation and are positioned further on a radially inner side of the stirring tank 2 than the flow fins 3 so as to contact the flow of the stirred object formed by the flow fins 3. The guide ring 5 has an inner peripheral surface facing the outer peripheral edges of the dispersing fins 4.

IPC Classes  ?

• B01F 7/16 - Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a vertical axis
• B01F 7/24 - Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a vertical axis with helices

Abstract

A regular packing material 2 is formed by laminating a plurality of sheet-like bodies 21, …, 21 into a block shape. The plurality of sheet-like bodies 21, …, 21 include a sheet-like body 21 having, on at least one end thereof in the vertical direction, cutouts 211 for forming spaces S. In the regular packing material 2, a sheet-like body 21 having the cutouts 211 appearing on the at least one end in the vertical direction of the regular packing material 2 and a sheet-like body 21 having the cutouts 211 not appearing on said one end are arranged in a mixed manner in the lamination direction.

IPC Classes  ?

• B01D 3/26 - Fractionating columns in which vapour and liquid flow pass each other, or in which the fluid is sprayed into the vapour, or in which a two-phase mixture is passed in one direction
• B01J 19/32 - Packing elements in the form of grids or built-up elements for forming a unit or module inside the apparatus for mass or heat transfer

Abstract

Provided is a stirring device including: a stirred tank, of which an inner peripheral wall has a circular shape in cross section; and at least one flow impeller and at least one shearing impeller that are located inside the stirred tank and configured to be rotatable independently of each other, in which rotational centers of the flow impeller and the shearing impeller are coaxially provided, the flow impeller rotates around a vertical axis along the inner peripheral wall of the stirred tank to form at least a flow directed toward a lower side in the stirring object existing in the stirred tank, and the shearing impeller imparts a shearing force to the stirring object and is provided on a radially inward side of the flow impeller in the stirred tank and at a position contacting the flow of the stirring object formed by the flow impeller.

IPC Classes  ?

• B01F 7/22 - Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a vertical axis with propellers
• B01F 3/08 - Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed liquids with liquids; Emulsifying
• B01F 3/10 - Mixing very viscous liquids
• B01F 7/00 - Mixers with rotary stirring devices in fixed receptacles; Kneaders
• B01F 15/06 - Heating or cooling systems
• B01F 7/16 - Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a vertical axis

Abstract

Provided is a stirring device for stirring an object of stirring that has fluidity, wherein: the device is provided with a stirring tank for which the shape of the transverse cross-section of the inside walls is circular, and at least one flow blade and at least one shearing blade that are positioned inside the stirring tank and capable of rotating independently from each other; the centers of rotation of the flow blade and the shearing blade are coaxial; the flow blade at least forms a downward flow of the object of stirring present within the stirring tank by rotation around a vertical axis along the inside peripheral wall of the stirring tank; and the shearing blade, which applies shearing force to the object of stirring, is provided in a position that is radially inside of the flow blade in the stirring tank and where the shearing blade comes into contact with the flow of the object of stirring formed by the flow blade.

IPC Classes  ?

• B01F 7/16 - Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a vertical axis
• B01F 3/08 - Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed liquids with liquids; Emulsifying
• B01F 15/06 - Heating or cooling systems

Abstract

Provided is a stirring blade that is attached to a stirring shaft provided to a stirring device, wherein the stirring blade comprises a plate-shaped support part that is attached to the stirring shaft, and with a plurality of vanes arranged on the peripheral-edge side of the support part. The vanes include a first vane part that projects from one surface of the support section, a second vane part that projects from the other surface of the support section and that is asymmetrical to the first vane part, and an aperture that is formed in at least one of the first vane part and the second vane part.

IPC Classes  ?

• B01F 7/26 - Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a vertical axis with rotary discs

Abstract

　A stirrer provided with a stirring tank for containing a substance to be stirred, a stirring shaft rotatably attached inside the stirring tank, and a stirring blade attached to the stirring shaft, wherein the stirring blade has fins, the fins having a fin body and a groove opening in the rotation direction, the groove extending in a direction intersecting the direction passing through the rotation radius centered on the axial center of the stirring shaft.

IPC Classes  ?

• B01F 7/16 - Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a vertical axis

Abstract

A support structure of a coke drum including a cylindrical drum body, an inverted-cone-shaped bottom plate connected to a bottom of the drum body, and a cylindrical skirt supporting the drum body includes an annular joining piece joining the drum body, the bottom plate, and the skirt to one another. The joining piece is a unitary member including an upper body part joined to a lower end of the drum body, a lower inner leg part joined to an upper end of the bottom plate, and a lower outer leg part joined to an upper end of the skirt.

IPC Classes  ?

• C10B 55/00 - Coking mineral oils, bitumen, tar or the like, or mixtures thereof, with solid carbonaceous materials
• C10B 29/04 - Controlling or preventing expansion or contraction
• C10B 29/08 - Bracing or foundation of the ovens

Abstract

Provided are a tube-type heat exchanger wherein spiral fins (12) can be prevented from being deformed, and a method for producing the same. The tube-type heat exchanger and the method for producing the same are characterized in that the spiral fins (12) are axially arranged in parallel so that the end portions of the spiral fins (12) are spaced from each other; and retainers (3) are disposed between the spiral fins (12) and are abutted with the outer peripheries of tube elements (11).

IPC Classes  ?

• F28F 9/013 - Auxiliary supports for elements for tubes or tube-assemblies

Abstract

The support structure of a coke drum is provided in which the skirt joint part of the coke drum has improved durability. The coke drum comprises a cylindrical drum main body (1), an inverted-cone-shaped bottom plate (3) connected under the drum main body (1), and a cylindrical skirt (4) that supports the drum main body (1), and includes an annular joint piece (10) through which the drum main body (1), the bottom plate (3), and the skirt (4) have been jointed to one another, the joint piece (10) being an integral member composed of an upper barrel part (11) jointed to the lower end of the drum main body (1), a lower inner leg part (13) jointed to the upper end of the bottom plate (3), and a lower outer leg part (14) jointed to the upper end of the skirt (4). Since the joint piece (10) is in an integral form and the drum main body (1), the bottom plate (3), and the skirt (4) have been bonded with this joint piece (10), the coke drum has a structure in which there is no weld at the sites where stress concentrates. Because of this, fatigue endurance improves. Furthermore, the integral piece can have a shape less apt to suffer stress concentration, because the shape can be obtained by machine cutting.

IPC Classes  ?

• C10B 57/04 - Other carbonising or coking processesFeatures of destructive distillation processes in general using charges of special composition
• C10G 9/00 - Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils

Abstract

A mixer capable of developing suitable stirring characteristics by forming a sufficient vertical circulation flow over the entire part of the inside of a tank, wherein an opening is formed in a stirring blade under the following conditions: (i) the ratio of the opening area of the opening in the upper half of the stirring blade to the overall area of the upper part of the stirring blade (the opening rate in the upper half of the stirring blade) is 45 to 80%, (ii) the ratio of the opening area of the opening in the lower half of the stirring blade to the overall area of the lower half of the stirring blade (the opening rate in the lower half of the stirring blade) is 18 to 50%, and (iii) the ratio of the opening rate in the lower half of the stirring blade to the opening rate in the upper half of the stirring blade is 31 to 71%.

IPC Classes  ?

• B01F 7/32 - Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a vertical axis with openwork frames or cages
• B01F 7/20 - Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a vertical axis with paddles or arms with fixed axis

Abstract

A mixer capable of developing suitable stirring characteristics by forming a sufficient vertical circulation flow over the entire part of the inside of a tank, wherein an opening (4) is formed in a stirring blade (3) under the following conditions: (i) the ratio of the opening area of the opening (4) in the upper half (U) of the stirring blade (3) to the overall area of the upper part (U) of the stirring blade (3) (the opening rate in the upper half (U) of the stirring blade (3)) is 45 to 80%, (ii) the ratio of the opening area of the opening (4) in the lower half (D) of the stirring blade to the overall area of the lower half (D) of the stirring blade (3) (the opening rate in the lower half (D) of the stirring blade (3)) is 18 to 50%, and (iii) the ratio of the opening rate in the lower half (D) of the stirring blade (3) to the opening rate in the upper half (U) of the stirring blade (3) is 31 to 71%.