摘要:
The present invention provides microsphere manufacturing method and apparatus capable of stable obtaining microspheres of a desired size and reducing facility cost. According to the method and the apparatus, to manufacture microspheres made of a second liquid in a first liquid, the first liquid is supplied into a first channel to flow therein and the second liquid is supplied to an intermediate part of the first channel through a second channel. The supply velocities of the first and second liquids are set such that the second liquid closes the first channel and the closing part of the second liquid is cut off due to a pressure difference between an upstream side and a downstream side to form microspheres.
摘要:
It is aimed to promote further integration of channels in a reactor.A channel forming body of a reactor is provided with a base plate, a first sealing member bonded to one surface of the base plate while covering the one surface, and a second sealing member bonded to the other surface of the base plate while covering the other surface. A plurality of first inlet grooves for forming the first inlet paths are formed in parallel and side by side and a plurality of reaction grooves for forming the reaction grooves are formed in parallel and side by side in the one surface of the base plate. On the other hand, a plurality of second inlet grooves for forming the second inlet paths are formed in parallel and side by side in the other surface of the base plate. Further, a plurality of junction holes for forming the junction channels are so formed as to penetrate the base plate from the one surface to the other surface between the corresponding ones of the respective first and second inlet grooves and the reaction grooves corresponding to the inlet grooves so that the junction holes connect downstream ends of the inlet grooves and upstream ends of the reaction grooves.
摘要:
An aluminum alloy for use in a plate-fin heat exchanger having a heat transfer portion with seawater as a coolant includes an organic phosphonic acid underlying coating disposed on the surface of the aluminum alloy and a fluorocarbon resin coating disposed on the organic phosphonic acid underlying coating, the fluorocarbon resin coating having an average thickness of 1 to 100 μm after drying. The aluminum alloy has improved durability of coating adhesion and excellent seawater corrosion resistance.
摘要:
To make stress corrosion cracking caused by precipitation of a &bgr; layer (Mg2Al3) in a welding part (5) or in the periphery of the welding part (5) hard to occur. An apparatus body (1) and a header (3) formed of an aluminum alloy with precipitation of magnesium suppressed by standardized heat treatment are assembled and welded, and natural gas containing mercury is subjected to heat exchanging. There are provided with backing metal (4) disposed on the back of the inner wall surface of one header (3) prior to standardized heat treatment and placed in contact with the other apparatus body (1) at the time of assembling and welding, a welding part (5) formed by being assembled and welded using first welding metal containing magnesium at percent content not less than 2.0% in a space part formed by the backing metal (4), the apparatus body (1) and the header (3), and a seal part (6) formed by seal-welding, so that first welding metal may not contact with fluid from a contact part between the backing metal (4) and the apparatus body (1), the contact part using second welding metal containing magnesium at percent content not more than 2.0%.
摘要:
Provided is a method of mixing first and second liquids having mutual solubility inside a mixing flow channel formed by a micro flow channel. This method includes: causing the first and second liquids to be joined to each other inside the mixing flow channel; and forming a slug flow, in which mixing subject cells (60) formed by the joined liquid and insoluble fluid cells (63) formed by an insoluble fluid are alternately arranged, inside a flow channel at the downstream side of an insoluble fluid supply position in a manner such that the insoluble fluid having insolubility with respect to both mixing subject liquids is supplied to the joined liquid flowing through the flow channel in a direction intersecting the flow channel so that the joined liquid is divided with a gap therebetween, thereby mixing the first mixing subject liquid and the second mixing subject liquid contained in each mixing subject cell inside the downstream flow channel.
摘要:
The present invention provides microsphere manufacturing method and apparatus capable of stable obtaining microspheres of a desired size and reducing facility cost. According to the method and the apparatus, to manufacture microspheres made of a second liquid in a first liquid, the first liquid is supplied into a first channel to flow therein and the second liquid is supplied to an intermediate part of the first channel through a second channel. The supply velocities of the first and second liquids are set such that the second liquid closes the first channel and the closing part of the second liquid is cut off due to a pressure difference between an upstream side and a downstream side to form microspheres.
摘要:
A flow passage structure is provided with a fluid flow passage that includes a plurality of straight flow passages, a first return bend that connects the downstream end of the straight flow passage through which a fluid flows from a second end surface toward a first end surface among the plurality of straight flow passages to the upstream end of the straight flow passage which is disposed at the downstream side of the straight flow passage and is adjacent to the straight flow passage, and a second return bend that connects the downstream end of the straight flow passage through which the fluid flows from the first end surface toward the second end surface among the plurality of straight flow passages to the upstream end of the straight flow passage which is disposed at the downstream side of the straight flow passage and is adjacent to the straight flow passage.
摘要:
To promote mixture of fluids on a plurality of stages, flow channels include a plurality of merging portions which penetrate from a top surface to a back surface of a substrate. An end of each of the sub channels is disposed so as to overlap the main channel at each of positions separated along the direction in which the main channel extends, and each of the merging portions communicates the main channels and the ends of the sub channels with each other, thereby changing a flow direction of the second fluid flowing through the sub channels to the thickness direction of the substrate, and merges the second fluid with the first fluid flowing through the main channels.
摘要:
A flow passage structure is provided with a fluid flow passage that includes a plurality of straight flow passages, a first return bend that connects the downstream end of the straight flow passage through which a fluid flows from a second end surface toward a first end surface among the plurality of straight flow passages to the upstream end of the straight flow passage which is disposed at the downstream side of the straight flow passage and is adjacent to the straight flow passage, and a second return bend that connects the downstream end of the straight flow passage through which the fluid flows from the first end surface toward the second end surface among the plurality of straight flow passages to the upstream end of the straight flow passage which is disposed at the downstream side of the straight flow passage and is adjacent to the straight flow passage.
摘要:
A channel forming body of a reactor has a base plate, a first sealing member bonded to one surface of the base plate and a second sealing member bonded to the other surface of the base plate. A plurality of first inlet grooves forming first inlet paths and a plurality of reaction grooves forming reaction grooves are formed in parallel and side by side in one surface of the base plate. A plurality of second inlet grooves forming second inlet paths are formed in parallel and side by side in the other surface of the base plate. A plurality of junction holes forming junction channels penetrate the base plate from the one surface to the other surface between corresponding ones of the respective first and second inlet grooves and the reaction grooves corresponding to the inlet grooves to connect downstream ends of the inlet grooves and upstream ends of the reaction grooves.