Abstract: An ion removal apparatus according to this disclosure performs a desalination treatment on a liquid and includes: a first electrode guide having an inlet allowing the liquid to flow in, a first electrode holder holding a first electrode that adsorbs an ion in the liquid, and an inflow passage serving as a flow passage connecting the inlet and the first electrode holder to one another; and a second electrode guide having an outlet allowing the liquid to flow out, a second electrode holder allowing the liquid passing through the first electrode holder to flow in and holding a second electrode that adsorbs the ion in the liquid, and an outflow passage serving as a flow passage connecting the outlet and the second electrode holder to one another.

Abstract: A contaminant detector includes a detection object that is inclined relative to a horizontal direction in a drainage unit for accumulation of discharged water and on which a contaminant is to be deposited and a detection unit configured to emit energy toward the detection object to detect a contamination state of the detection object. The detection unit includes a transmission and reception module configured to emit and receive energy, a calculation module configured to calculate an amount of energy received from the detection object by the transmission and reception module, and a determination module configured to determine, based on the amount of energy calculated by the calculation module, the contamination state of the detection object.

Abstract: A water-using apparatus includes a water-feeding unit configured to feed water, a water-treating unit connected to the water-feeding unit by a pipe and being configured to perform a function in which ionic substances contained in water fed from the water-feeding unit are removed by an electrical deionization unit, a water-using unit connected to the water-treating unit by a pipe and configured to use water having flowed through the water-treating unit, a drainpipe through which water with increased concentration of ionic substances removed by the water-treating unit is drained, and a controller configured to control a passage for water fed from the water-feeding unit and to cause water with increased concentration of ionic substances to be drained through the drainpipe.

Abstract: A contaminant detector includes a detection object that is inclined relative to a horizontal direction in a drainage unit for accumulation of discharged water and on which a contaminant is to be deposited and a detection unit configured to emit energy toward the detection object to detect a contamination state of the detection object. The detection unit includes a transmission and reception module configured to emit and receive energy, a calculation module configured to calculate an amount of energy received from the detection object by the transmission and reception module, and a determination module configured to determine, based on the amount of energy calculated by the calculation module, the contamination state of the detection object.

Abstract: An ion removal apparatus according to this disclosure performs a desalination treatment on a liquid and includes: a first electrode guide having an inlet allowing the liquid to flow in, a first electrode holder holding a first electrode that adsorbs an ion in the liquid, and an inflow passage serving as a flow passage connecting the inlet and the first electrode holder to one another; and a second electrode guide having an outlet allowing the liquid to flow out, a second electrode holder allowing the liquid passing through the first electrode holder to flow in and holding a second electrode that adsorbs the ion in the liquid, and an outflow passage serving as a flow passage connecting the outlet and the second electrode holder to one another.

Abstract: A heat-exchanging ventilation device performs ventilation while exchanging heat between a supply airflow and a discharge airflow. The heat-exchanging ventilation device includes: a casing; a heat exchanger having a prism shape and accommodated in the casing to be insertable into and removable from the casing; a plurality of support members to support the heat exchanger in the casing; and a rotational force applying unit to apply a rotational force to the heat exchanger and rotate the heat exchanger. When a rotational force is applied to the heat exchanger in one direction by the rotational force applying unit, the heat exchanger is pressed against the support members, and when application of a rotational force in the one direction by the rotational force applying unit is stopped, the heat exchanger becomes rotatable in another direction.

Abstract: A heat exchanger includes a prism-shaped heat exchange element, a plurality of frame members mounted to sides of the element in a one-to-one relationship, the sides extending along an axial direction of the heat exchange element, and cover members each covering an end face of the element, the end face being perpendicular to the axial direction of the heat exchange element. The frame members are connected to each of the cover members. Gaps for allowing movement of each of the frame members along a direction perpendicular to the axial direction of the heat exchange element are provided at each connecting portion at which the frame members are connected to the cover member. Thus, it is possible to move the frame members along with deformation of the heat exchange element.

Abstract: A heat exchanger includes a prism-shaped heat exchange element, a plurality of frame members mounted to sides of the element in a one-to-one relationship, the sides extending along an axial direction of the heat exchange element, and cover members each covering an end face of the element, the end face being perpendicular to the axial direction of the heat exchange element. The frame members are connected to each of the cover members. Gaps for allowing movement of each of the frame members along a direction perpendicular to the axial direction of the heat exchange element are provided at each connecting portion at which the frame members are connected to the cover member. Thus, it is possible to move the frame members along with deformation of the heat exchange element.

Abstract: A humidifier includes: a water supply portion (supply pipe, supply part, and nozzle) to supply water; a flat-shaped diffusing member that is provided below the water supply portion, and diffuses the water supplied from the water supply portion in a plane direction and in a thickness direction; a humidifying member that is fixed and has a top surface in contact with and the diffusing member, and evaporates the water supplied from the diffusing member via the top surface; and fixing parts that apply pressure to at least a part of a portion of contact between the diffusing member and the humidifying member.

Abstract: A heat-exchanging ventilation device performs ventilation while exchanging heat between a supply airflow and a discharge airflow. The heat-exchanging ventilation device includes: a casing; a heat exchanger having a prism shape and accommodated in the casing to be insertable into and removable from the casing; a plurality of support members to support the heat exchanger in the casing; and a rotational force applying unit to apply a rotational force to the heat exchanger and rotate the heat exchanger. When a rotational force is applied to the heat exchanger in one direction by the rotational force applying unit, the heat exchanger is pressed against the support members, and when application of a rotational force in the one direction by the rotational force applying unit is stopped, the heat exchanger becomes rotatable in another direction.

Abstract: The present invention relates to a heat exchange element in which unit constituent members, each of which includes a partition member that has a heat-transfer property and a moisture permeability and a spacing member that holds the partition member with a predetermined spacing, are stacked and in which a primary air flow that passes along an upper surface side of the partition member and a secondary air flow that passes along an undersurface side of the partition member and crosses the primary air flow exchange heat and moisture through the partition member, wherein a detachment suppressing rib is provided on the opposite side of the spacing member when viewed from the partition member at a bonded portion between the partition member and the spacing member, and the partition member is sandwiched by the spacing member and the detachment suppressing rib.

Abstract: To provide a hydrophilic coating film that excels not only in initial humidification performance, but also in long-term humidification performance as well as to provide a production method for the hydrophilic coating film, and a humidification element. A hydrophilic coating film (7) contains porous silica gel particles (3), fine inorganic particles (2) having an average particle diameter smaller than an average pore diameter of the silica gel particles (3), and a thickener (8). A production method for the hydrophilic coating film (7) coats a base material (1) with a coating composition and dries the coated base material (1), the coating composition containing water (6), a thickener (6), porous silica gel particles (3), and fine inorganic particles (2) having an average particle diameter smaller than an average pore diameter of the silica gel particles (3).

Abstract: Provided is a heat exchange element that suppresses an increase in air-flow resistance by suppressing deflection of a partition member caused by a change in temperature and humidity. The unit constituent members are stacked, each of which is formed of partition members that have heat-transfer properties and moisture permeability, and spacing members that hold the partition members. A primary air flow that passes along an upper-surface side of the partition member and a secondary air flow that passes along an undersurface side of the partition member cross each other so as to exchange heat and moisture via the partition member. The spacing member includes: spacing ribs that maintain the spacing between the partition members; and deflection suppressing ribs that have a height smaller than the spacing ribs so as to suppress deflection of the partition members.

Abstract: A laminated total heat exchange element that includes a plurality of laminated plates, a first spacing member forming a first flow path between the laminated plates, and a second spacing member forming a second flow path between the laminated plates, wherein the first flow path is formed to allow fluid to pass from one side to another side of the laminated total heat exchange element, the second flow path is formed to allow fluid to pass from the another side to the one side of the laminated total heat exchange element, a third flow path, which communicates with the first flow path on the one side and extends substantially parallel to a lamination direction of the laminated plates, is formed, and a fourth flow path, which communicates with the second flow path on the another side and extends substantially parallel to the lamination direction of the laminated plate, is formed.

Abstract: A humidifier that suppresses formation of a slime, a scale, and a dew bridge in a lower portion of a humidifying member thereby preventing degradation in humidifying performance. The humidifier includes one or more porous metal bodies serving as the humidifying member and including therein a plurality of voids, a fan that blows air to the porous metal body, a water-supplying device (a supply pipe, a reservoir, and a nozzle) that supplies water to the porous metal body, and the porous metal body includes a tip portion formed in a lower end portion, in a protruding shape or a pointed shape.

Abstract: A humidifier, including: a flat humidification member formed of a water absorbing member and arranged in an upright posture; a nozzle serving as a water supply unit configured to supply water to the humidification member; and an airflow direction changing plate arranged with a clearance secured between the airflow direction changing plate and the humidification member. On a flat surface of the airflow direction changing plate opposed to the flat humidification member, an airflow direction changing portion is arranged to project toward the flat humidification member, the airflow direction changing portion being configured to change a direction of an air current flowing between the flat humidification member and the airflow direction changing plate.

Abstract: The present invention relates to a heat exchange element in which unit constituent members, each of which includes a partition member that has a heat-transfer property and a moisture permeability and a spacing member that holds the partition member with a predetermined spacing, are stacked and in which a primary air flow that passes along an upper surface side of the partition member and a secondary air flow that passes along an undersurface side of the partition member and crosses the primary air flow exchange heat and moisture through the partition member, wherein a detachment suppressing rib is provided on the opposite side of the spacing member when viewed from the partition member at a bonded portion between the partition member and the spacing member, and the partition member is sandwiched by the spacing member and the detachment suppressing rib.

Abstract: The present invention is a total heat exchange element in which a spacing member is provided on both sides of a sheet-like partition member to form a flow path and which performs heat exchange between an airflow that flows in a flow path formed on one side of the partition member and an airflow that flows in a flow path formed on another side of the partition member via the partition member, wherein the spacing member is molded integrally with the partition member by using a resin, and the partition member is configured to include a functional layer that has heat conductivity, moisture permeability, and gas shielding property and a heat shrink layer that shrinks at a predetermined temperature or higher.

Abstract: The present invention relates to a heat exchange element in which unit constituent members, each of which includes a partition member that has a heat-transfer property and a moisture permeability and a spacing member that holds the partition member with a predetermined spacing, are stacked and in which a primary air flow that passes along an upper surface side of the partition member and a secondary air flow that passes along an undersurface side of the partition member and crosses the primary air flow exchange heat and moisture through the partition member, wherein a detachment suppressing rib is provided on the opposite side of the spacing member when viewed from the partition member at a bonded portion between the partition member and the spacing member, and the partition member is sandwiched by the spacing member and the detachment suppressing rib.

Abstract: A humidifier includes: a water supply portion (supply pipe, supply part, and nozzle) to supply water; a flat-shaped diffusing member that is provided below the water supply portion, and diffuses the water supplied from the water supply portion in a plane direction and in a thickness direction; a humidifying member that is fixed and has a top surface in contact with and the diffusing member, and evaporates the water supplied from the diffusing member via the top surface; and fixing parts that apply pressure to at least a part of a portion of contact between the diffusing member and the humidifying member.