US 12,516,534 B1Granted

Sustainable heat transfer system that includes a digital processing facility and a recreational man-made swimming lagoon that provides cooling to such facility, the system being configured for contributing to environmental sustainability and community benefits

AssigneeCrystal Lagoons Technologies, Inc.

InventorFernando Fischmann

Life of this patent

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Abstract

A sustainable heat transfer system that includes a digital processing facility and a recreational man-made swimming lagoon that provides cooling for such facility, the system being configured for contributing to environmental sustainability and community benefits, comprising a man-made swimming lagoon, a High Temperature Water Treatment System, and a waste heat transfer mechanism.

Claims30

Dependent claims

A heat transfer system comprising a digital processing facility (1) and a recreational man-made swimming lagoon (2) having specific biological, chemical and physicochemical standards for providing cooling to such digital processing facility (1), the system being configured for contributing to environmental sustainability and community benefits, comprising:

a. the man-made swimming lagoon (2) having a water surface of between 3,000 m2 to 1,000,000 m2 that is configured and arranged to receive waste heat from the digital processing facility (1) and provide cooling to such facility, so that at least a portion of the man-made swimming lagoon (2) is heated and maintained at an average temperature between 25° C. and 40° C., wherein the man-made swimming lagoon (2) comprises a bottom covered with a non-permeable material;
b. a High Temperature Water Treatment System (HTWTS)(3) configured with an oxidant injection protocol, consisting of performing an oxidant treatment cycle, wherein:
i. the oxidant treatment cycle consists of maintaining a minimum ORP in at least a portion of the man-made swimming lagoon (2) at a specific value for a particular temperature of the water, starting at 500 mV at 25° C. and increasing linearly to 750 mV at 40° C.,
ii. the oxidant injection protocol includes a minimum time for each oxidant treatment cycle at 40° C. of 30 minutes and a minimum time for each oxidant treatment cycle at temperatures below 40° C. of 3 additional hours per each ° C. below 40° C., according to the following equations:
Minimum
⁢
ORP
⁡
(
T
)
=
500
⁢
mV
+
16.67
mV
/
°
⁢
C
.
*
(
T
-
25
⁢
°
⁢
C
.
)
⁢
t
⁡
(
T
)
=
{
30
⁢
min
if
⁢
T
=
40
⁢
°
⁢
C
.
30
⁢
min
+
180
⁢
min
/
°
⁢
C
.
*
(
40
⁢
°
⁢
C
.
-
T
)
if
⁢
25
⁢
°
⁢
C
.
≤
T
<
40
⁢
°
⁢
C
.
wherein,
T is the average temperature of the water in the at least a portion of the man-made swimming lagoon (2) in ° C.,
t is time in minutes;
c. a waste heat transfer mechanism (5) to exchange the heat from the digital processing facility (1) with the water of the man-made swimming lagoon (2), wherein the waste heat transfer mechanism is configured to transfer beat from the digital processing facility (1) to the man-made swimming lagoon (2) through conduction, convection, radiation, or combinations thereof,
d. wherein the water contained within the man-made swimming lagoon (2) has a Thermo-Hardness Index (THI) value from 0 to 1 wherein the THI is defined according to the following equation:
THI
=
H
H
max
(
T
)
wherein,
H is the average concentration of calcium carbonate of the water of the man-made swimming lagoon (2) in mg/L,
Hmax(T) is the maximum allowed concentration of calcium carbonate in mg/L at temperature T in ° C., wherein T is the average temperature in ° C. of the water in the at least a portion of the man-made swimming lagoon (2) and T is within TMin and TMax, wherein Twin is a minimum allowed average temperature in ° C. in the at least a portion of the man-made swimming lagoon (2) and TMax is a maximum allowed average temperature in ° C. in the at least a portion of the man-made swimming lagoon (2),
Hyrax (T) being defined according to:
H
max
(
T
)
=
[
CaCo
3
]
T
Max
-
(
[
CaCO
3
]
T
Max
-
[
CaCO
3
]
T
Min
T
Max
-
T
Min
*
(
T
-
T
Min
)
)
wherein, [CaCo3]TMax, is a maximum allowed hardness in mg/L for the water in the at least a portion of the man-made swimming lagoon (2) at TMax, and [CaCo3]TMax is a maximum allowed hardness in mg/L for the water in the at least a portion of the man-made swimming lagoon (2) at TMin,
wherein, Twin is 25° C., TMax is 40° C., [CaCo3]Tmax, is 200 mg/L, and [CaCo3]TMin, is 100 mg/L;
and wherein the Thermo-Hardness index is only used and relevant for man-made swimming lagoons using water having a total dissolved solid's concentration of up to 1,500 ppm;
e. wherein the water contained within the man-made swimming lagoon (2) has a Thermo-Refraction Index (TRI) value ranging from 0 to 1 wherein the TRI is defined according to the following equation:
TRI
=
N
8
+
G
+
T
-
25
⁢
°
⁢
C
.
15
⁢
°
⁢
C
.
wherein,
N is the average turbidity of the water in NTU,
G is a Grey Index defined as 1 minus the inverse of luminance (Y) divided by 100 according to
G
=
1
-
Y
100
T is the average temperature of the water in the at least a portion of the man-made swimming lagoon (2) in ° C.,
f. wherein, the water contained within the man-made swimming lagoon (2) has a Copper Index (COIN) value ranging from 0 to 1, wherein the COIN is defined according to the following equation:
COIN
=
[
Cu
]
[
Cu
]
max
⁢
(
T
)
wherein,
[Cu] is the concentration of copper on the water of the at least a portion of the man-made swimming lagoon (2) in mg/L,
[Cu]max(T) is the maximum allowed concentration of copper at temperature T in mg/L,
[Cu]max(T) being defined according to:
[
Cu
]
max
⁢
(
T
)
=
1
⁢
mg
/
L
-
(
0.4
mg
/
L
12
⁢
°
⁢
C
.
*
(
T
-
28
⁢
°
⁢
C
.
)
)
g. wherein, the man-made swimming lagoon (2) has a Biofilm Index (BFI) value ranging from 0 to 0.05, wherein the BFI is defined according to the following equation:
BFI
=
(
B
t
100
⁢
μ
⁢
m
)
+
(
M
l
1000
⁢
CFU
/
mL
)
+
(
B
a
5
)
wherein,
Bt is biofilm thickness in the at least a portion of the man-made swimming lagoon (2) in μm,
Ml is microbial load of the water within an area of the man-made swimming lagoon (2) in CFU/mL of total coliforms,
Bα is biofilm coverage area of the total inner surface of the at least a portion of the man-made swimming lagoon (2) according to:
B
a
=
Inner
⁢
surface
⁢
covered
⁢
⁢
in
⁢
biofilm
[
m
2
]
Total
⁢
inner
⁢
surface
[
m
2
]
.

299 more elements

Dependencies are inferred from the claim text.

Facts

Application: 19/095,944Filed 31 Mar 2025 · continuation
Priority: 14 Nov 2024
Granted: 6 Jan 2026
Term ends: Not estimatedThe source records don’t support an estimate.

Classification11 codes

E04H 4/129
Devices or arrangements for circulating water , i.e. devices for removal of polluted water, cleaning baths or for water treatment: systems for…
E04H 4/0006
Swimming or splash baths or pools: devices for producing waves in swimming pools
E04H 4/1209
Devices or arrangements for circulating water , i.e. devices for removal of polluted water, cleaning baths or for water treatment: treatment of…
C02F 2103/023
Non-contaminated water, e.g. for industrial water supply: water in cooling circuits

Family

Application63/720,570Us provisional application · filed 14 Nov 2024
Application19/051,926Parent of this continuation · filed 12 Feb 2025
US 2026/0132646 A1Published application
US 12,516,534 B1This patent

From the US filing history. Foreign family members aren’t listed.

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Abstract

a. the man-made swimming lagoon (2) having a water surface of between 3,000 m2 to 1,000,000 m2 that is configured and arranged to receive waste heat from the digital processing facility (1) and provide cooling to such facility, so that at least a portion of the man-made swimming lagoon (2) is heated and maintained at an average temperature between 25° C. and 40° C., wherein the man-made swimming lagoon (2) comprises a bottom covered with a non-permeable material;
b. a High Temperature Water Treatment System (HTWTS)(3) configured with an oxidant injection protocol, consisting of performing an oxidant treatment cycle, wherein:
i. the oxidant treatment cycle consists of maintaining a minimum ORP in at least a portion of the man-made swimming lagoon (2) at a specific value for a particular temperature of the water, starting at 500 mV at 25° C. and increasing linearly to 750 mV at 40° C.,
ii. the oxidant injection protocol includes a minimum time for each oxidant treatment cycle at 40° C. of 30 minutes and a minimum time for each oxidant treatment cycle at temperatures below 40° C. of 3 additional hours per each ° C. below 40° C., according to the following equations:
Minimum
⁢
ORP
⁡
(
T
)
=
500
⁢
mV
+
16.67
mV
/
°
⁢
C
.
*
(
T
-
25
⁢
°
⁢
C
.
)
⁢
t
⁡
(
T
)
=
{
30
⁢
min
if
⁢
T
=
40
⁢
°
⁢
C
.
30
⁢
min
+
180
⁢
min
/
°
⁢
C
.
*
(
40
⁢
°
⁢
C
.
-
T
)
if
⁢
25
⁢
°
⁢
C
.
≤
T
<
40
⁢
°
⁢
C
.
wherein,
T is the average temperature of the water in the at least a portion of the man-made swimming lagoon (2) in ° C.,
t is time in minutes;
c. a waste heat transfer mechanism (5) to exchange the heat from the digital processing facility (1) with the water of the man-made swimming lagoon (2), wherein the waste heat transfer mechanism is configured to transfer beat from the digital processing facility (1) to the man-made swimming lagoon (2) through conduction, convection, radiation, or combinations thereof,
d. wherein the water contained within the man-made swimming lagoon (2) has a Thermo-Hardness Index (THI) value from 0 to 1 wherein the THI is defined according to the following equation:
THI
=
H
H
max
(
T
)
wherein,
H is the average concentration of calcium carbonate of the water of the man-made swimming lagoon (2) in mg/L,
Hmax(T) is the maximum allowed concentration of calcium carbonate in mg/L at temperature T in ° C., wherein T is the average temperature in ° C. of the water in the at least a portion of the man-made swimming lagoon (2) and T is within TMin and TMax, wherein Twin is a minimum allowed average temperature in ° C. in the at least a portion of the man-made swimming lagoon (2) and TMax is a maximum allowed average temperature in ° C. in the at least a portion of the man-made swimming lagoon (2),
Hyrax (T) being defined according to:
H
max
(
T
)
=
[
CaCo
3
]
T
Max
-
(
[
CaCO
3
]
T
Max
-
[
CaCO
3
]
T
Min
T
Max
-
T
Min
*
(
T
-
T
Min
)
)
wherein, [CaCo3]TMax, is a maximum allowed hardness in mg/L for the water in the at least a portion of the man-made swimming lagoon (2) at TMax, and [CaCo3]TMax is a maximum allowed hardness in mg/L for the water in the at least a portion of the man-made swimming lagoon (2) at TMin,
wherein, Twin is 25° C., TMax is 40° C., [CaCo3]Tmax, is 200 mg/L, and [CaCo3]TMin, is 100 mg/L;
and wherein the Thermo-Hardness index is only used and relevant for man-made swimming lagoons using water having a total dissolved solid's concentration of up to 1,500 ppm;
e. wherein the water contained within the man-made swimming lagoon (2) has a Thermo-Refraction Index (TRI) value ranging from 0 to 1 wherein the TRI is defined according to the following equation:
TRI
=
N
8
+
G
+
T
-
25
⁢
°
⁢
C
.
15
⁢
°
⁢
C
.
wherein,
N is the average turbidity of the water in NTU,
G is a Grey Index defined as 1 minus the inverse of luminance (Y) divided by 100 according to
G
=
1
-
Y
100
T is the average temperature of the water in the at least a portion of the man-made swimming lagoon (2) in ° C.,
f. wherein, the water contained within the man-made swimming lagoon (2) has a Copper Index (COIN) value ranging from 0 to 1, wherein the COIN is defined according to the following equation:
COIN
=
[
Cu
]
[
Cu
]
max
⁢
(
T
)
wherein,
[Cu] is the concentration of copper on the water of the at least a portion of the man-made swimming lagoon (2) in mg/L,
[Cu]max(T) is the maximum allowed concentration of copper at temperature T in mg/L,
[Cu]max(T) being defined according to:
[
Cu
]
max
⁢
(
T
)
=
1
⁢
mg
/
L
-
(
0.4
mg
/
L
12
⁢
°
⁢
C
.
*
(
T
-
28
⁢
°
⁢
C
.
)
)
g. wherein, the man-made swimming lagoon (2) has a Biofilm Index (BFI) value ranging from 0 to 0.05, wherein the BFI is defined according to the following equation:
BFI
=
(
B
t
100
⁢
μ
⁢
m
)
+
(
M
l
1000
⁢
CFU
/
mL
)
+
(
B
a
5
)
wherein,
Bt is biofilm thickness in the at least a portion of the man-made swimming lagoon (2) in μm,
Ml is microbial load of the water within an area of the man-made swimming lagoon (2) in CFU/mL of total coliforms,
Bα is biofilm coverage area of the total inner surface of the at least a portion of the man-made swimming lagoon (2) according to:
B
a
=
Inner
⁢
surface
⁢
covered
⁢
⁢
in
⁢
biofilm
[
m
2
]
Total
⁢
inner
⁢
surface
[
m
2
]
.

299 more elements

Facts

Application

19/095,944Filed 31 Mar 2025 · continuation

Priority

14 Nov 2024

Granted

6 Jan 2026

Term ends

Not estimatedThe source records don’t support an estimate.

Classification11 codes

E04H 4/129
Devices or arrangements for circulating water , i.e. devices for removal of polluted water, cleaning baths or for water treatment: systems for…
E04H 4/0006
Swimming or splash baths or pools: devices for producing waves in swimming pools
E04H 4/1209
Devices or arrangements for circulating water , i.e. devices for removal of polluted water, cleaning baths or for water treatment: treatment of…
C02F 2103/023
Non-contaminated water, e.g. for industrial water supply: water in cooling circuits