IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0025478
(1987-03-13)
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발명자
/ 주소 |
- Besik Ferdinand (Mississauga CAX)
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출원인 / 주소 |
- Canadian Gas Research Institute (CAX 03)
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인용정보 |
피인용 횟수 :
12 인용 특허 :
4 |
초록
▼
A compact apparatus for residential, commercial and industrial airconditioning involving balanced heat recovery ventilation, heating, humidification, dehumidification, cooling and air filtration comprises two treatment vessels, each containing a compact packed bed of a solid sorbent material, a heat
A compact apparatus for residential, commercial and industrial airconditioning involving balanced heat recovery ventilation, heating, humidification, dehumidification, cooling and air filtration comprises two treatment vessels, each containing a compact packed bed of a solid sorbent material, a heater and a solid heat exchanging material, a 4-way valve for switching the flows of the exhausted stale air and the incoming fresh air between the two treatment vessels to permit a cyclic countercurrent short cycle operation of the packed beds to achieve efficient transfer of heat and moisture between the two air streams. The two treatment vessels are complemented with a combustor, a direct evaporative cooler and a solid state process controler permitting operation of the apparatus to provide the required services during the winter-heating season, summer-cooling season and the rest of the year-ventilation season to maintain comfort in the air conditioned space. Only a small amount of power is used to operate blowers to maintain the flows of the individual air streams.
대표청구항
▼
An apparatus for cyclic countercurrent transfer of heat and mass between two gaseous streams involving packed beds of a solid sorbent material and a solid heat exchanging material in a short operating cycle, said apparatus comprising: two closed vessels, each being provided with at least one intake-
An apparatus for cyclic countercurrent transfer of heat and mass between two gaseous streams involving packed beds of a solid sorbent material and a solid heat exchanging material in a short operating cycle, said apparatus comprising: two closed vessels, each being provided with at least one intake-exit opening located in the upper part and at least one intake-exit opening located in the lower part, each said vessel having in its lower part a built in horizontal support screen partition for holding said packed bed of said solid sorbent material and a built in horizontal support screen partition in its upper part for holding said packed bed of said solid heat exchanging material, and having at least two flanged openings located on its side wall provided for replacement of said solid sorbent and heat exchanging materials, said solid sorbent material providing a porous packed bed and removing sorbate from one of said two gaseous streams during the first half of the operating cycle and then releasing said sorbate into the other gaseous stream during the second half of the operating cycle, said solid sorbent material being any of the commercially available adsorbents, or an inexpensive porous solid material impregnated with a suitable commercially available adsorbent such as lithium chloride or lithium bromide, said solid heat exchanging material providing a porous packed bed and adsorbing heat from one of said two gaseous streams during said first half of the operating cycle and then releasing said adsorbed heat into the other said gaseous stream during said second half of said operating cycle, said heat exchanging material being any of ceramic, stone, or fired clay gravel or pebbles, or fired pellets of iron ore, or other high thermal capacity pelletized minerals, said one of said two gaseous streams flowing downwardly through said packed beds, said the other gaseous stream flowing upwardly through said packed beds, said flow of said two gaseous streams being cyclic and alternating between said two vessels, valving means connected to said intake-exit openings located in the upper part of said vessels provided for intake of one and exit of the other gaseous streams into and out of said vessels and for switching the flows of said two gaseous streams in preselected time intervals in the middle of said operating cycle between said two vessels to facilitate said cyclic countercurrent transfer of heat and mass between said two gaseous streams in said apparatus, process control means for controlling said operating cycle and for maintaining a continuous operation of said valving means and said apparatus in said preselected time intervals, blower means connected to said valving means provided for flowing said two gaseous streams countercurrently with respect to each other through said packed beds, conduit means interconnecting said blower means with said valving means and with said vessels and providing for the intake, flow and discharge of said two gaseous streams into, through and out of said apparatus, and filter means for removing particulate matter from said two gaseous streams entering said apparatus.
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