CN111486718A - Closed cooling tower and cooling method - Google Patents
Closed cooling tower and cooling method Download PDFInfo
- Publication number
- CN111486718A CN111486718A CN202010335237.0A CN202010335237A CN111486718A CN 111486718 A CN111486718 A CN 111486718A CN 202010335237 A CN202010335237 A CN 202010335237A CN 111486718 A CN111486718 A CN 111486718A
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- cooling tower
- heat exchanger
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- air
- spraying device
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- 238000001816 cooling Methods 0.000 title claims abstract description 128
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 187
- 238000005507 spraying Methods 0.000 claims abstract description 41
- 241000736911 Turritella communis Species 0.000 claims abstract description 35
- 239000007921 spray Substances 0.000 claims description 58
- 238000012856 packing Methods 0.000 claims description 11
- 239000000945 filler Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000004378 air conditioning Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
- F28C1/14—Direct-contact trickle coolers, e.g. cooling towers comprising also a non-direct contact heat exchange
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C3/00—Other direct-contact heat-exchange apparatus
- F28C3/06—Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D3/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium flows in a continuous film, or trickles freely, over the conduits
- F28D3/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium flows in a continuous film, or trickles freely, over the conduits with tubular conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/08—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
- F28D7/082—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
- F28F25/08—Splashing boards or grids, e.g. for converting liquid sprays into liquid films; Elements or beds for increasing the area of the contact surface
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/10—Component parts of trickle coolers for feeding gas or vapour
- F28F25/12—Ducts; Guide vanes, e.g. for carrying currents to distinct zones
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to the technical field of cooling equipment, and discloses a closed cooling tower and a cooling method. The closed cooling tower comprises: the cooling tower comprises a cooling tower shell, a first heat exchanger, a circulating water pipe and a spraying device, wherein the cooling tower shell is provided with an air inlet and an air outlet, the first heat exchanger and the spraying device are fixed inside the cooling tower shell, the first heat exchanger is provided with a second water inlet and a second water outlet, the first end of the circulating water pipe is communicated with the inside of the cooling tower shell, the second end of the circulating water pipe is connected with the spraying device, and the spraying device is located above the first heat exchanger. The cooling method comprises the steps of carrying out evaporative cooling by using outdoor air energy in spring, summer and autumn, and carrying out air cooling in winter. The invention can utilize outdoor air energy to realize year-round cooling of hot water.
Description
Technical Field
The invention relates to the technical field of cooling equipment, in particular to a closed cooling tower and a cooling method.
Background
Direct evaporative cooling refers to a large area of direct contact between air and water, and the temperature of the air and water is reduced due to the evaporation of water, so that the moisture content of the air is increased in the process, and the sensible heat of the air is converted into latent heat, so that the process is an adiabatic humidification process. The heat of the medium in the coil is removed through heat and moisture exchange between water and air, and the heat transfer process comprises sensible heat transfer and latent heat transfer. The direct evaporative cooling technology is utilized to cool the high-temperature water, and the method has important significance for reducing the energy consumption of an air conditioning system and saving energy.
The problem to be solved is how to fully utilize natural energy in the cooling process, reduce the energy consumption of the air conditioning system and improve the overall efficiency of the system aiming at the problem that hot water needs to be cooled all year round in an industrial air conditioning system.
Disclosure of Invention
Technical problem to be solved
The embodiment of the invention aims to provide a closed cooling tower and a cooling method, and aims to solve the technical problem of how to efficiently realize year-round hot water cooling in an industrial air conditioning system in the prior art.
(II) technical scheme
In order to solve the above technical problem, an embodiment of the present invention provides a closed cooling tower, including: the cooling tower comprises a cooling tower shell, a first heat exchanger, a circulating water pipe and a spraying device, wherein the cooling tower shell is provided with an air inlet and an air outlet, the first heat exchanger and the spraying device are fixed in the cooling tower shell, the first heat exchanger is provided with a second water inlet and a second water outlet, the first end of the circulating water pipe is communicated with the inside of the cooling tower shell, the second end of the circulating water pipe is connected with the spraying device, and the spraying device is located above the first heat exchanger.
The closed cooling tower further comprises a second heat exchanger, the second heat exchanger is located above the spraying device, the second heat exchanger is provided with a first water inlet and a first water outlet, and the first water outlet is connected with the second water inlet.
The closed cooling tower further comprises a packing layer, and the first heat exchanger is located inside the packing layer.
Wherein, the packing layer is filled with plastic oblique wave packing which is horizontally and vertically staggered.
The air outlet is arranged at the top of the cooling tower shell, and the air inlet is arranged below the spraying device.
The second heat exchanger is a finned tube heat exchanger, and the first heat exchanger is a light pipe heat exchanger.
The closed cooling tower further comprises a water pump and a drain valve, the cooling tower shell is further provided with a water replenishing port, and the water pump and the drain valve are arranged on the circulating water pipe.
The closed cooling tower further comprises a fan, and the fan is arranged at the air outlet.
The embodiment of the invention also discloses a cooling method by utilizing the closed cooling tower, which comprises the following steps:
in spring, summer and autumn, the spraying device is started, hot water enters the first heat exchanger from the second water inlet, air enters the cooling tower shell from the air inlet, spray water in the circulating water pipe is continuously contacted with the air through the spraying device to perform heat and humidity transfer heat exchange, the air and the spray water are cooled, and the spray water in the circulating water pipe is continuously subjected to heat exchange with the hot water in the first heat exchanger through the spraying device;
in winter, the spraying device is closed, hot water enters the first heat exchanger from the second water inlet, air enters the cooling tower shell from the air inlet, and the hot water exchanges heat with the air.
The embodiment of the invention also discloses a cooling method by utilizing the closed cooling tower, which comprises the following steps:
in spring, summer and autumn, the spraying device is started, air enters the cooling tower shell from the air inlet, hot water enters the second heat exchanger from the first water inlet to exchange heat with the air for precooling, then the hot water is introduced into the first heat exchanger, spray water in the circulating water pipe is continuously contacted with the air through the spraying device to carry out heat and humidity transfer heat exchange, the air and the spray water are cooled, and the spray water in the circulating water pipe is continuously subjected to heat exchange with the precooled hot water in the first heat exchanger through the spraying device;
in winter, the spraying device is closed, hot water passes through the second heat exchanger and the first heat exchanger from the first water inlet in sequence, air enters the cooling tower shell from the air inlet, and the hot water exchanges heat with the air.
(III) advantageous effects
According to the closed cooling tower and the cooling method provided by the embodiment of the invention, in spring, summer and autumn, heat and humidity transfer heat exchange is carried out between spray water and air, the air and the spray water are cooled, the cooled spray water and hot water are utilized for heat exchange, the hot water is cooled, natural energy is fully utilized, and the cooling effect is good; in winter, air and hot water are directly adopted for heat exchange, and air cooling is realized. The closed cooling tower and the cooling method can fully utilize outdoor air energy and realize year-round cooling of hot water.
Drawings
FIG. 1 is a schematic structural diagram of a cooling tower according to an embodiment of the present invention;
reference numerals:
1: an air outlet; 2: a fan; 3: a second heat exchanger; 4: cooling the tower shell; 5: a spraying device; 6: a filler layer; 7: a first heat exchanger; 8: an air inlet; 9: a water pump; 10: a drain valve; 11: a water replenishing port; 12: a second water outlet; 13: a first water inlet; 14: and a circulating water pipe.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, an embodiment of the present invention discloses a closed cooling tower, including: cooling tower casing 4, first heat exchanger 7, circulating pipe 14 and spray set 5, cooling tower casing 4 constructs has air intake 8 and air outlet 1, and first heat exchanger 7 and spray set 5 all are fixed in the inside of cooling tower casing 4, and first heat exchanger 7 is equipped with second water inlet (not shown in the figure) and second delivery port 12, and the first end of circulating pipe 14 communicates with the inside of cooling tower casing 4, and the second end is connected with spray set 5, and spray set 5 is located the top of first heat exchanger 7.
Specifically, the cooling tower shell 4 serves as a container of a closed cooling tower, the first heat exchanger 7 and the spraying device 5 are both placed inside the cooling tower shell 4, the air inlet 8 in the cooling tower shell 4 is used for introducing air, and the air outlet 1 is used for discharging air after heat exchange. The second water inlet of the first heat exchanger 7 is used for introducing hot water, and the second water outlet 12 is used for discharging the cooled hot water. The spray device 5 can adopt a spray head. Compared with the open cooling tower, the embodiment is provided with the circulating water pipe 14, so that the spray water in the cooling tower shell 4 is recycled, and the water saving effect is achieved.
In summer, the air gets into from air intake 8, hot water enters into first heat exchanger 7 from the second water inlet, spray water and air contact among the spray set 5, evaporative cooling, make the temperature of spray water and air all reduce, spray water lasts to carry out evaporative cooling with the air through circulating pipe 14's circulation effect, spray water after the cooling passes through circulating pipe 14 and spray set 5 blowout, and with the hot water heat transfer among first heat exchanger 7, give the hot water cooling, after the heat transfer, hot water is discharged from second delivery port 12, the air is discharged from air outlet 1. In summer, the natural energy can be fully utilized, and the cooling effect is good. In summer, the spray water is through circulating pipe 14 realization spray water cyclic utilization, and at this in-process, the spray water can constantly with enter into the inside air contact of cooling tower casing 4, cool down to the limit of cooling down through direct evaporation cooling's mode. If the temperature is reduced in spring or autumn, the temperature can be reduced by adopting the method.
If under the lower condition of outdoor temperature in winter, spray water can freeze, consequently close spray set 5 and circulating pipe 14, directly adopt air and hot water to carry out the heat transfer, the air gets into from air intake 8 this moment, carries out the heat transfer with the hot water in the first heat exchanger 7, realizes the forced air cooling, after the heat transfer, hot water is discharged from second delivery port 12, the air is discharged by air outlet 1, the defect that spray water in the cooling tower casing 4 can freeze winter has been avoided.
According to the closed cooling tower and the cooling method provided by the embodiment of the invention, in spring, summer and autumn, heat and humidity transfer heat exchange is carried out between spray water and air, the air and the spray water are cooled, the cooled spray water and hot water are utilized for heat exchange, the hot water is cooled, natural energy is fully utilized, and the cooling effect is good; when the outdoor temperature is lower, air and hot water are directly adopted for heat exchange, and air cooling is realized. The closed cooling tower and the cooling method can fully utilize outdoor air energy and realize year-round cooling of hot water.
Wherein, the closed cooling tower of this embodiment still includes second heat exchanger 3, and second heat exchanger 3 is located spray set 5's top, and second heat exchanger 3 is equipped with first water inlet 13 and first delivery port (not shown in the figure), and first delivery port is connected with the second water inlet. Specifically, the heat exchangers in this embodiment are divided into two heat exchangers, the second heat exchanger 3 is connected in series with the first heat exchanger 7 through a pipeline, the second heat exchanger 3 is used for preheating hot water and air inside the cooling tower shell 4, the preheated hot water flows into the first heat exchanger 7, and exchanges heat with spray water in the first heat exchanger 7, and the hot water is further cooled. In summer, the functions of preheating hot water and cooling for the second time can be realized through the second heat exchanger 3 and the first heat exchanger 7 in the embodiment. When the outdoor temperature is lower in winter, the spray device 5 and the circulating water pipe 14 are not started, and the hot water in the second heat exchanger 3 and the hot water in the first heat exchanger 7 exchange heat with air, so that the two heat exchangers both play a role in air cooling.
Wherein, the closed cooling tower of this embodiment still includes packing layer 6, and first heat exchanger 7 is located inside packing layer 6. Preferably, the filler layer 6 is filled with plastic oblique wave fillers which are staggered horizontally and vertically. In this embodiment, the spray water of the spray device 5 is sprayed on the plastic oblique wave filler of the filler layer 6, and the pre-cooled hot water is indirectly heat exchanged with the spray water through the first heat exchanger 7. Through setting up packing layer 6 in this embodiment, the heat transfer time of extension shower water and first heat exchanger 7 improves heat exchange efficiency. Further, in contrast to the open cooling tower, the hot water in the second heat exchanger 3 in the present embodiment is not directly in contact with the air and the packing layer 6, but indirectly in contact with the air through the second heat exchanger 3, which ensures cleanliness of the air, the hot water and the packing layer 6.
Wherein, the air outlet 1 is arranged at the top of the cooling tower shell 4, and the air inlet 8 is arranged below the spraying device 5. The air in this embodiment lets in from the bottom of closed cooling tower upwards, and spray 5's spray water sprays downwards because of gravity for spray water and the reverse flow contact of air form heat and humidity transfer heat transfer against the current, reinforcing evaporation cooling effect.
Wherein the second heat exchanger 3 is a finned tube heat exchanger and the first heat exchanger 7 is a light pipe heat exchanger. According to actual needs, other heat exchangers can be replaced.
Wherein, the closed cooling tower of this embodiment still includes water pump 9 and drain valve 10, and cooling tower casing 4 still is equipped with moisturizing mouth 11, and water pump 9 and drain valve 10 all locate circulating pipe 14. In the embodiment, the water pump 9 provides driving force for spray water in the circulating water pipe 14, and the water discharge valve 10 is used for discharging water in the cooling tower housing 4 and the circulating water pipe 14, and particularly when the room temperature is low in winter, residual water can be discharged by using the water discharge valve 10. The water replenishing port 11 is used for replenishing spray water to the cooling tower shell 4 so as to replenish evaporated spray water.
Wherein, the closed cooling tower of this embodiment still includes fan 2, and fan 2 locates 1 department of air outlet. In this embodiment, the fan 2 is used to provide driving force for the air to be discharged from the air outlet 1.
The embodiment of the invention also discloses a cooling method using the closed cooling tower, which comprises the following steps:
in spring, summer and autumn, the spraying device 5 is started, hot water enters the first heat exchanger 7 from the second water inlet, air enters the cooling tower shell 4 from the air inlet 8, spray water in the circulating water pipe 14 is continuously contacted with the air through the spraying device 5 to carry out heat and humidity transfer and heat exchange, the air and the spray water are cooled, and the spray water in the circulating water pipe 14 is continuously subjected to heat exchange with the hot water in the first heat exchanger 7 through the spraying device 5;
in winter, the spraying device 5 is closed, hot water enters the first heat exchanger 7 from the second water inlet, air enters the cooling tower shell 4 from the air inlet 8, and the hot water exchanges heat with the air.
After the heat exchange is finished, the hot water is discharged from the second water outlet 12, and the air is discharged from the air outlet 1.
The embodiment of the invention also discloses a cooling method of the closed cooling tower using the first heat exchanger 7 and the second heat exchanger 3, which comprises the following steps:
in spring, summer and autumn, the spraying device 5 is started, air enters the cooling tower shell 4 from the air inlet 8, hot water enters the second heat exchanger 3 from the first water inlet 13 to exchange heat with the air for precooling, then the hot water is introduced into the first heat exchanger 7, spray water in the circulating water pipe 14 is continuously contacted with the air through the spraying device 5 to carry out heat and humidity transfer heat exchange, the air and the spray water are cooled, and the spray water in the circulating water pipe 14 is continuously subjected to heat exchange with the precooled hot water in the first heat exchanger 7 through the spraying device 5;
in winter, the spraying device 5 is closed, hot water passes through the second heat exchanger 3 and the first heat exchanger 7 in sequence from the first water inlet 13, air enters the cooling tower shell 4 from the air inlet 8, and the hot water exchanges heat with the air.
After the heat exchange is finished, the hot water is discharged from the second water outlet 12, and the air is discharged from the air outlet 1.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A closed cooling tower, comprising: the cooling tower comprises a cooling tower shell, a first heat exchanger, a circulating water pipe and a spraying device, wherein the cooling tower shell is provided with an air inlet and an air outlet, the first heat exchanger and the spraying device are fixed in the cooling tower shell, the first heat exchanger is provided with a second water inlet and a second water outlet, the first end of the circulating water pipe is communicated with the inside of the cooling tower shell, the second end of the circulating water pipe is connected with the spraying device, and the spraying device is located above the first heat exchanger.
2. The closed cooling tower of claim 1, further comprising a second heat exchanger positioned above the spray device, the second heat exchanger having a first water inlet and a first water outlet, and the first water outlet being connected to the second water inlet.
3. The closed cooling tower of claim 1, further comprising a packing layer, the first heat exchanger being located inside the packing layer.
4. The closed cooling tower of claim 3, wherein the filler layer is filled with horizontally and vertically staggered oblique wave plastic filler.
5. The closed cooling tower of claim 1, wherein the air outlet is disposed at a top of the cooling tower housing, and the air inlet is disposed below the spray device.
6. The closed cooling tower of claim 2, wherein the second heat exchanger is a finned tube heat exchanger and the first heat exchanger is a bare tube heat exchanger.
7. The closed cooling tower according to claim 1, further comprising a water pump and a drain valve, wherein the cooling tower shell is further provided with a water replenishing port, and the water pump and the drain valve are both arranged in the circulating water pipe.
8. The closed cooling tower of claim 1 further comprising a fan disposed at the air outlet.
9. A cooling method using the closed cooling tower according to any one of claims 1 to 8, comprising:
in spring, summer and autumn, the spraying device is started, hot water enters the first heat exchanger from the second water inlet, air enters the cooling tower shell from the air inlet, spray water in the circulating water pipe is continuously contacted with the air through the spraying device to perform heat and humidity transfer heat exchange, the air and the spray water are cooled, and the spray water in the circulating water pipe is continuously subjected to heat exchange with the hot water in the first heat exchanger through the spraying device;
in winter, the spraying device is closed, hot water enters the first heat exchanger from the second water inlet, air enters the cooling tower shell from the air inlet, and the hot water exchanges heat with the air.
10. A cooling method using the closed cooling tower of claim 2 or 6, comprising:
in spring, summer and autumn, the spraying device is started, air enters the cooling tower shell from the air inlet, hot water enters the second heat exchanger from the first water inlet to exchange heat with the air for precooling, then the hot water is introduced into the first heat exchanger, spray water in the circulating water pipe is continuously contacted with the air through the spraying device to carry out heat and humidity transfer heat exchange, the air and the spray water are cooled, and the spray water in the circulating water pipe is continuously subjected to heat exchange with the precooled hot water in the first heat exchanger through the spraying device;
in winter, the spraying device is closed, hot water passes through the second heat exchanger and the first heat exchanger from the first water inlet in sequence, air enters the cooling tower shell from the air inlet, and the hot water exchanges heat with the air.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911358043 | 2019-12-25 | ||
| CN2019113580436 | 2019-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111486718A true CN111486718A (en) | 2020-08-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010335237.0A Pending CN111486718A (en) | 2019-12-25 | 2020-04-24 | Closed cooling tower and cooling method |
Country Status (1)
| Country | Link |
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| CN (1) | CN111486718A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111928682A (en) * | 2020-08-07 | 2020-11-13 | 江苏卓盾传热科技有限公司 | Concurrent flow composite closed cooling tower |
| CN112066755A (en) * | 2020-10-15 | 2020-12-11 | 广东良研冷暖设备科技有限公司 | Cross flow closed cooling tower |
| CN113686171A (en) * | 2021-08-31 | 2021-11-23 | 辽宁宝来生物能源有限公司 | Cooling water circulation system of coke calcining and cooling machine |
-
2020
- 2020-04-24 CN CN202010335237.0A patent/CN111486718A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111928682A (en) * | 2020-08-07 | 2020-11-13 | 江苏卓盾传热科技有限公司 | Concurrent flow composite closed cooling tower |
| CN112066755A (en) * | 2020-10-15 | 2020-12-11 | 广东良研冷暖设备科技有限公司 | Cross flow closed cooling tower |
| CN113686171A (en) * | 2021-08-31 | 2021-11-23 | 辽宁宝来生物能源有限公司 | Cooling water circulation system of coke calcining and cooling machine |
| CN113686171B (en) * | 2021-08-31 | 2023-09-05 | 辽宁宝来生物能源有限公司 | Cooling water circulation system of calcination coke cooler |
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