Abstract: A fluid heating device capable of reducing the amount of the generated greenhouse gases while improving the yield of target compounds (ethylene, propylene and hydrogen, etc.) in a cracking process by controlling inflow heat fluxes themselves, respectively, in accordance with the progress degree of pyrolysis. The fluid heating device reduces a phenomenon that coke is generated by controlling inflow heat fluxes themselves, respectively, in accordance with the progress degree of pyrolysis in consideration of physical and/or chemical characteristics of various targets of pyrolysis, and reducing the amount of production of compounds (methane, ethane, benzene and fuel oil, etc.) other than the target compounds. A method of using the fluid heating device is also provided.

Abstract: A device for detecting a solution state includes: a probe including a detecting portion having at least one open surface to measure the solution state; a mesh disposed on a path through which a solution is introduced to the detecting portion; and a support portion disposed on the outside of the probe, and having an opening surrounding the at least one open surface of the detecting portion. The opening defines the path through which the solution is introduced to the detecting portion, and the mesh is mounted in the opening of the support portion.

Abstract: A photopolymerization reaction system according to an embodiment of the present disclosure may include: a housing; a UV lamp disposed within the housing; a UV light-transmitting plate disposed below the UV lamp; a ventilation part configured to receive supply and discharge therethrough of a first flow of air for heat removal from the UV lamp; and an air injection module configured to inject a second flow of air into the housing between the UV light-transmitting plate and the reactant, the air injection module being configured to prevent the UV light-transmitting plate from being contaminated by by-products generated by a photopolymerization reaction in which a reactant is supplied below the UV light-transmitting plate.

Abstract: A resin polymerization reaction device comprises a reactor in which a resin is accommodated and a resin polymerization reaction is performed; a stirring part installed inside the reactor to agitate the resin; and a discharge port located at the lower portion of the reactor and provided with a plurality of discharge openings having an opening diameter within a range of 3/80 to 10/80 of the diameter of the discharge port.

Abstract: A polymerization reaction device of a high viscosity resin includes a cylindrical reactor having an inlet formed at an upper part and a discharge port formed at a lower part; and an impeller rotatably arranged inside the reactor and configured to mix materials in the reactor. The materials in the reactor are mixed by the impeller and polymerized into the high viscosity resin, and the polymerized high viscosity resin is discharged to an outside of the reactor through the discharge port by applying an inert gas. A ratio of a diameter of the discharge port to a diameter of the reactor may be set such that 80% or more of the high viscosity resin is discharged from the reactor from a time point when the applying of the inert gas starts to a time point when the inert gas reaches the discharge port.

Abstract: The present invention relates to a microorganism culture production amount prediction system and method with improved accuracy in predicting the microorganism culture production amount using a metabolic model equation by calculating the predicted substrate concentration from the metabolic model equation, calculating the actually measure substrate concentration from the spectrum data of the culture solution, comparing the predicted substrate concentration with the actually measured substrate concentration, and updating the parameters of the metabolic model equation, in a method for predicting the culture concentration of microorganisms with known metabolic model equation governing the metabolic model.

Abstract: The present invention relates to a dispersion plate and a coating device comprising the same, which provides a dispersion plate comprising a plurality of gas injection holes, wherein the dispersion plate includes a plurality of spout nozzles formed by a dense arrangement of the gas injection holes, wherein one spout nozzle is disposed at the center of the dispersion plate and the plurality of spout nozzles are arranged along a plurality of virtual concentric circles from the center of the dispersion plate to the edge of the dispersion plate, where with respect to two adjacent virtual concentric circles, the number of spout nozzles arranged along an outer concentric circle based on the center of the dispersion plate is twice the number of spout nozzles arranged along an inner concentric circle and the arrangement interval of the spout nozzles arranged along the outer concentric circle is half the arrangement interval of the spout nozzles arranged along the inner concentric circle.

Abstract: The present invention relates to an apparatus and a method for producing a polymer latex resin powder, and according to one aspect of the present invention, there is provided an apparatus for producing a polymer latex resin powder comprising a first flocculation tank to which a polymer latex and a flocculant are each supplied, wherein the first flocculation tank is provided with a stirring part including a rotation axis and one or more impellers mounted on the rotation axis, and a discharge line, and the first flocculation tank is configured to operate as a closed system upon operation of the stirring part.

Abstract: A distributing plate for a high-viscosity fluid which distributes and discharges the high-viscosity fluid is disclosed. The distributing plate may comprise: a flat top surface; a side surface having a diameter that increases downwardly from the upper surface; a plurality of inner holes arranged on the upper surface along a plurality of first imaginary concentric circles; and a plurality of outer holes arranged on the side surface along a plurality of second imaginary concentric circles. The ratio of the area of each inner hole to the area of each outer hole may be 1.2-1.4. In addition, an apparatus of distributing a high-viscosity fluid including the distributing plate for a high-viscosity fluid is disclosed.

Abstract: Provided is a welding apparatus having a fume elimination function. The welding apparatus efficiently eliminates fume generated while a welding object is being welded using a laser.

Abstract: The present invention relates to a method for preparing a carbon nanotube fiber which is a continuous array of carbon nanotube. The present invention enables minimization of rotational flow inside a tube reactor and thus can facilitate enhanced tensile strength of the prepared carbon nanotube fiber.

Abstract: The present invention relates to an foreign matter removal device, and more particularly, to an foreign matter removal device, in which a length of a main body portion is increased to correspond to a size of a large-scale cell for a vehicle, and a plurality of suction channels each having a swoosh shape is provided, thereby efficiently removing foreign substances produced during a process of manufacturing a cell for a vehicle.

Abstract: Provided a high-pressure homogenizer comprising a channel module comprising a microchannel through which an object for homogenization passes, wherein the microchannel is provided with a first flow channel and a second flow channel sequentially arranged along the direction through which the object passes, the first flow channel is provided with a plurality of first baffles disposed so as to partition the microchannel into a plurality of spaces, the second flow channel is provided with a plurality of second baffles disposed so as to partition the microchannel into a plurality of spaces, and at least one of the first baffles is provided to be positioned between two adjacent second baffles.

Abstract: The present invention relates to a dispersion device and a defoamation device comprising the same, which provides a dispersion device comprising a dispersion plate equipped with an inclined surface extended downwards obliquely and raw material inflow nozzles formed on the inclined surface to introduce a raw material into the inclined surface; and a band spaced apart from the inclined surface of the dispersion plate to form a gap from the inclined surface, thereby being configured so that the raw material flows through the gap.

Abstract: Provided is a water-treatment filter module, an apparatus and a method for manufacturing a helical strand for a water-treatment filter module, and a method for manufacturing a spacer. Also provided is a water-treatment filter module comprising a membrane for filtering raw water, and a spacer laminated to the membrane and providing a plurality of passages for passing the raw water through to the membrane, wherein the spacer includes a first member extending in a first direction and a second member extending in a second direction that is different from the first direction and disposed so as to form spacer cells by intersecting with the first member, and at least one of the first member and the second member is wound in a spiral shape having a predetermined pitch of a predetermined radius around a central axis.

Abstract: The present invention relates to a method for preparing a carbon nanotube fiber which is a continuous array of carbon nanotube. The present invention enables minimization of rotational flow inside a tube reactor and thus can facilitate enhanced tensile strength of the prepared carbon nanotube fiber.

Abstract: A reactor for nanoparticle production comprising a main chamber including a first nozzle to which raw material gas is supplied, a lens housing connected to the main chamber in a fluidly movable manner and including a second nozzle for supplying flushing gas to the lens housing, a lens mounted on the lens housing, a light source for irradiating a laser, which passes through the lens to reach the raw material gas in the main chamber, and a hood for discharging nanoparticles generated in the main chamber. A cross-sectional area of at least a part of the lens housing decreases along a direction facing the main chamber.

Abstract: Provided is a feed spacer, in which angles of strands are differently formed in one feed spacer according to a flow direction of raw water, so that a differential pressure decrease region and a recovery increase region are separated to perform multiple functions, and a reverse osmosis filter module including the feed spacer.

Abstract: Disclosed is a dispersion plate for a purification column including a support plate, at least one first fluid tube penetrating through the support plate, and a plurality of second fluid tubes arranged to be spaced apart from the first fluid tube and surround the first fluid tube, wherein a length of at least one of the second fluid tubes is longer than lengths of another second fluid tubes, and is shorter than or equal to a length of the first fluid tube.

Abstract: Provided is a welding apparatus having a fume elimination function. The welding apparatus efficiently eliminates fume generated while a welding object is being welded using a laser.