文档介绍：ADSORPTION
REFRIGERATION
WANG Ruzhu
SJTU-IRC
sorption concepts
制
zAdsorption
冷 adsorbent-adsorbate
原 z Physical adsorption
理 zeolite-water, silica gel-water,
activated carbon-
与 methanol/ammonia
技 z Chemical adsorption
CaCl2-ammonia, Metal hydride-
术 hydrogen
Structure of adsorbent-zeolite
制
冷
原
理
与
技
术
2、Adsorption isobars,isotherms and
isotersis
制
冷
原 xfpT∞= ( , )
Adsorption system
理
与
技 Isotherms
xfp∞= ( )
术 T
xfTIsobars
∞= ( )p
pfT
= ( )x Isotersis
1000
p-T-x diagram
100
10 (b) Activated carbon-methanol
1000
1
0 20 40 60 80 100 120 140
100
(a)Activated carbon fibre-methanol
10
-135
1
0204060 80 100 120 140
-151 p-T-x diagram of LiBr-water
Single effect
x Pe
Pc
xconc
xdil
o
Ta Tg T, C
-137: Adsorption Isobars
Adsorption:Ta、Pe;
Desorption: Tg、Pc
3、Adsorption Refrigeration Cycle
1、Adsorption refrigeration working
制 pair
冷
Physical adsorption
原
zeolite-water, silica gel-water, activated
理 carbon-methanol/ammonia
与
Chemical adsorption
技
CaCl -ammonia, Metal hydride-hydrogen
术 2
3、Adsorption Refrigeration Cycle
(1)Basic Cycle
-154 Solar ice maker based on basic cycle
lnP 饱和制冷剂 Xconc Xdil
5 Qcond 2 Qg 3
Pc
Qh Qc
614Qeva Qad
Pe
Te Tc Ta Tg Ta Tg2 -1/T(1/K)
-155 P-T-x diagram of adsorption refrigeration cycle