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Heat and moisture exchange device

A moisture and heat transfer technology, used in heat exchange equipment, lighting and heating equipment, space heating and ventilation, etc., to solve problems such as slowness

Inactive Publication Date: 2007-08-22
DAIS ANALYTIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In most cases, the exchange of water or other highly polar liquids or gases between streams is slow, but this may be due to other limiting factors such as boundary layer effects, concentration polarization, hydrostatic pressure hysteresis, gravity , surface tension effects and convective or frictional effects

Method used

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  • Heat and moisture exchange device
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  • Heat and moisture exchange device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0048] A cross-flow sensible and latent heat exchanger is constructed. The membrane of the exchanger was made by laminating a layer of sulfonated styrene-olefin polymer to a nylon nonwoven reinforcement. The films were stacked on top of each other using an adhesive coated polyvinyl chloride spacer. The orientation of the PVC spacers in each adjacent stack is at a 90° angle. The layers spaced apart in the exchanger core have the same flow direction: 1, 3, 5, 7 etc. have the same flow direction, 2, 4, 6, 8 etc. have the flow direction at an angle of 90° to the aforementioned direction. The edges of the layers in the exchanger core are sealed with double-sided tape. A cross-flow exchanger is placed in the test apparatus where the flow rate, temperature and humidity of the two air streams are controlled. One stream has a temperature of 90°F and a relative humidity of 55% and the other stream has a temperature of 70°F and a relative humidity of 50%. Monitor sensible and latent ...

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PUM

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Abstract

A unitary humidity exchange cell (HUX) is disclosed that includes at least one composite membrane, disposed between at least one first chamber for flow of the first fluid therethrough and at least one second chamber for flow of the second fluid therethrough. The composite membrane include an at least partially sulfonated humidity-conducting polymer comprising residues derived from at least one arylvinyl monomer; and a reinforcing substrate bonded thereto. The product finds utility in a variety of physical and chemical processes and products whereby moisture or other highly polar liquid or gas transfer, exchange removal or delivery is important. A notable application is the Membrane Energy Recovery Ventilator (MERV) in which both heat and moisture is transferred between two air streams, one intake and one exhaust, from an air-conditioned building.

Description

technical field [0001] The present invention relates to apparatus and devices for transferring heat and water between fluids using composite polymer membranes. Background technique [0002] As the name implies, a monolithic moisture exchange element, or HUX, is an element of equipment capable of moving water or other highly polar liquids or gases from the One side passes to the other. A key operating characteristic of the HUX element is that the difference (relative to the environment) in some intensity characteristic or breadth characteristic of the system constitutes a gradient change in said characteristic, thereby forcing water or other highly polar liquid or gas to flow from one side of the membrane to Mass transfer to the other side, which may or may not be accompanied by the flow of electrons, protons, ions or molecules in addition to said water or other highly polar liquids or gases. It is under the influence of this property that liquid water or other highly polar...

Claims

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Application Information

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IPC IPC(8): B01D53/26F28D21/00B01D69/12B01D69/10B01D71/28B01D53/22B01D63/00B01D63/08B01D71/80B01D71/82F24F3/147
CPCB01D71/28B01D53/268B01D71/82F24F2003/1435F24F3/147F28D21/0015B01D2325/48B01D71/80B01D69/10B01D63/082F28F21/065Y02P20/10B01D71/281B01D69/1071
Inventor 约瑟夫·M.·塞尔皮科斯科特·埃伦贝格
Owner DAIS ANALYTIC