Fuel cell membrane humidifier capable of controlling flow direction of fluid
The present invention relates to a fuel cell membrane humidifier capable improving humidifying efficiency by controlling the flow direction of fluid, and the fuel cell membrane humidifier according to an embodiment of the present invention comprises: a hollow fiber membrane module for accommodating a hollow fiber membrane in which a first fluid and a second fluid perform moisture exchange while the first fluid flows therein and the second fluid flows on the outside thereof; and a housing part constituting the appearance of the membrane purifier, wherein a fluid guide part for uniformly guiding the flow of fluid is formed between the hollow fiber membrane and the housing part.
1. A membrane humidifier for a fuel cell, the membrane humidifier comprising:
a hollow fiber membrane module comprising hollow fiber membranes configured to allow moisture exchange between a first fluid flowing inside the hollow fiber membranes and a second fluid flowing outside the hollow fiber membranes;
a housing unit defining an external appearance of the membrane humidifier,
wherein
a fluid guide unit configured to uniformly guide a flow of the second fluid is formed between the hollow fiber membranes and the housing unit,
the fluid guide unit comprises a base unit configured to wrap the hollow fiber membranes and a protrusion unit formed on the base unit, the protrusion unit protruding so as to have a predetermined size,
the protrusion unit comprises a plurality of stripes, and
the plurality of stripes are formed to have a height equivalent to 50 to 300% of a diameter of a single hollow fiber membrane.
2. A membrane humidifier for a fuel cell, the membrane humidifier comprising:
a hollow fiber membrane module comprising hollow fiber membranes configured to allow moisture exchange between a first fluid flowing inside the hollow fiber membranes and a second fluid flowing outside the hollow fiber membranes;
a housing unit defining an external appearance of the membrane humidifier,
wherein
a fluid guide unit configured to uniformly guide a flow of the second fluid is formed between the hollow fiber membranes and the housing unit,
the fluid guide unit comprises a base unit configured to wrap the hollow fiber membranes and a protrusion unit formed on the base unit, the protrusion unit protruding so as to have a predetermined size,
the protrusion unit comprises a plurality of stripes, and
the plurality of stripes are formed to have an interval therebetween equivalent to 50 to 300% of a diameter of a single hollow fiber membrane.
3. A membrane humidifier for a fuel cell, the membrane humidifier comprising:
a hollow fiber membrane module comprising hollow fiber membranes configured to allow moisture exchange between a first fluid flowing inside the hollow fiber membranes and a second fluid flowing outside the hollow fiber membranes;
a housing unit defining an external appearance of the membrane humidifier,
wherein
a fluid guide unit configured to uniformly guide a flow of the second fluid is formed between the hollow fiber membranes and the housing unit,
the fluid guide unit comprises a base unit configured to wrap the hollow fiber membranes and a protrusion unit formed on the base unit, the protrusion unit protruding so as to have a predetermined size,
the protrusion unit comprises a plurality of stripes, and
an angle defined between each of the plurality of stripes and a central axis of the hollow fiber membrane module ranges from 30 to 90°.
4. A membrane humidifier for a fuel cell, the membrane humidifier comprising:
a hollow fiber membrane module comprising hollow fiber membranes configured to allow moisture exchange between a first fluid flowing inside the hollow fiber membranes and a second fluid flowing outside the hollow fiber membranes;
a housing unit defining an external appearance of the membrane humidifier,
wherein:
a fluid guide unit configured to uniformly guide a flow of the second fluid is formed between the hollow fiber membranes and the housing unit;
the fluid guide unit comprises a base unit configured to wrap the hollow fiber membranes and a protrusion unit formed on the base unit, the protrusion unit protruding so as to have a predetermined size;
the protrusion unit comprises a plurality of stripes;
the plurality of stripes are formed to have a height equivalent to 50 to 300% of a diameter of a single hollow fiber membrane;
the plurality of stripes are formed to have an interval therebetween equivalent to 50 to 300% of a diameter of a single hollow fiber membrane; and
an angle defined between each of the plurality of stripes and a central axis of the hollow fiber membrane module ranges from 30 to 90°.
5. The membrane humidifier according to claim 1 , wherein the second fluid has higher humidity than the first fluid.
6. The membrane humidifier according to claim 2 , wherein the second fluid has higher humidity than the first fluid.
7. The membrane humidifier according to claim 3 , wherein the second fluid has higher humidity than the first fluid.
8. The membrane humidifier according to claim 4 , wherein the second fluid has higher humidity than the first fluid.