CN211903818U - Fog dispersal type dry-wet combined cooling tower - Google Patents
Fog dispersal type dry-wet combined cooling tower Download PDFInfo
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- CN211903818U CN211903818U CN202020172992.7U CN202020172992U CN211903818U CN 211903818 U CN211903818 U CN 211903818U CN 202020172992 U CN202020172992 U CN 202020172992U CN 211903818 U CN211903818 U CN 211903818U
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Abstract
The utility model discloses a fog dispersal type dry-wet combined cooling tower, which comprises a first cooling area, a second cooling area, a blast furnace cooling water inlet main pipe, a blast furnace cooling water outlet main pipe, a hot blast stove cooling water inlet main pipe and a hot blast stove cooling water outlet main pipe; the first cooling area and the second cooling area respectively comprise at least one cooling unit; each cooling unit comprises a wet heat exchange body, a wet cooling main machine and a plurality of dry cooling main machines; the wet cooling main machine is positioned in the wet heat exchange body, a spraying device is arranged in the wet cooling main machine, an air outlet positioned above the wet cooling main machine is formed in the wet heat exchange body, a wet cooling fan is arranged in the air outlet, a plurality of dry cooling main machines are arranged above the air outlet of the wet heat exchange body and are arranged around the air outlet in an arc shape, and dry cooling fans are arranged on the dry cooling main machines; the output end of the dry cooling main machine is connected with the input end of the wet cooling main machine through a pipeline; the utility model has the characteristics of reduce the production of white fog phenomenon.
Description
Technical Field
The utility model relates to a cooling tower field, concretely relates to fog dispersal type is wet cooling tower jointly futilely.
Background
The cooling tower circulating cooling water system is applied to the industries of metallurgy, petrifaction, electric power, chemical industry, building materials and the like. Since the nineties of the last century, the closed air-cooled circulating water system is applied to the iron-making blast furnace in China, and has obvious effects of preventing corrosion and reducing scaling, thereby improving the operating efficiency and prolonging the service life of heat exchange devices and equipment. The hot soft water (55 ℃) returned from the blast furnace is cooled by a cooling tower, and then is sent to the blast furnace for use after being pressurized; the cooling water sprays the wet heat exchange host machine, thereby cooling the hot soft water.
Blast furnace cooling water and hot-blast furnace cooling water all need use the cooling tower to cool down, but current conventional cooling tower is at the actual motion in-process, and after the contact of the outer cold air of saturation damp and hot air and dryer in the tower at dryer exit mixed, can condense and form the water droplet, form white fog above the dryer, white fog is the normal physical change after the contact of cold and hot air, does not have any influence to aspects such as the performance of cooling tower. However, the white fog seriously damages urban landscapes, affects the visibility of surrounding traffic, causes the humidity of downwind areas to rise and causes the false appearance of environmental pollution to people.
In view of the above, the applicant has made an intensive study on the above-mentioned defects in the prior art, and has made this invention.
SUMMERY OF THE UTILITY MODEL
The main object of the utility model is to provide a fog dispersal type is wet jointly cooling tower futilely, its characteristics that have the production that reduces the white fog phenomenon.
In order to achieve the above purpose, the solution of the present invention is:
a fog dispersal type dry-wet combined cooling tower comprises a first cooling area, a second cooling area, a blast furnace cooling water inlet main pipe, a blast furnace cooling water outlet main pipe, a hot blast stove cooling water inlet main pipe and a hot blast stove cooling water outlet main pipe; the first cooling area and the second cooling area respectively comprise at least one cooling unit;
each cooling unit comprises a wet heat exchange body, a wet cooling main machine and a plurality of dry cooling main machines; the wet cooling main machine is positioned in the wet heat exchange body, a spraying device is arranged in the wet cooling main machine, an air outlet positioned above the wet cooling main machine is formed in the wet heat exchange body, a wet cooling fan is arranged in the air outlet, a plurality of dry cooling main machines are arranged above the air outlet of the wet heat exchange body and are arranged around the air outlet in an arc shape, and dry cooling fans are arranged on the dry cooling main machines; the output end of the dry cooling main machine is connected with the input end of the wet cooling main machine through a pipeline;
the input end of a dry cooling main machine in the first cooling area is connected with a blast furnace cooling water inlet main pipe, and the output end of a wet cooling main machine in the first cooling area is connected with a blast furnace cooling water outlet main pipe; the input end of the dry cooling main machine in the second cooling area is connected with a hot blast stove cooling water inlet main pipe, and the output end of the wet cooling main machine in the second cooling area is connected with a hot blast stove cooling water outlet main pipe.
Furthermore, the plurality of dry cooling main machines of each cooling unit are divided into two groups and symmetrically arranged at two sides above the air outlet, and the plurality of dry cooling main machines at the same side are sequentially connected and distributed in an arc shape around the center of the wet cooling fan; the cooling units are sequentially arranged in a straight line, and the dry cooling main machine of each cooling unit is connected with the dry cooling main machine on the same side of the adjacent cooling unit.
Furthermore, the number of the dry cooling main machines of each cooling unit is six, and three dry cooling main machines are symmetrically arranged on two sides above the air outlet.
Furthermore, heat exchange monomers with the same number as that of the dry cooling main machines of the cooling unit are arranged in the wet cooling main machine, and the input end of each heat exchange monomer is connected with the output end of one dry cooling main machine.
Furthermore, the fog dispersal type dry-wet combined cooling tower also comprises a spraying water supply main pipe, and the input end of a spraying device in each cooling unit is connected with the spraying water supply main pipe.
Further, the spraying water supply main pipe is connected with each spraying device through a spraying water inlet branch pipe, and a flowmeter is arranged on the spraying water inlet branch pipe.
Further, the air outlet top is provided with the maintenance vestibule, be provided with lighting fixtures on the maintenance vestibule.
Furthermore, the input end of each dry cooling main machine is connected with a first branch pipe; the output end of each wet cooling host is connected with a second branch pipe; two ends of the first branch pipe are respectively connected with the blast furnace cooling water inlet main pipe and the hot blast stove cooling water inlet main pipe; two ends of the second branch pipe are respectively connected with the blast furnace cooling water outlet main pipe and the hot blast stove cooling water outlet main pipe; and the first branch pipe and the second branch pipe are respectively provided with a communication valve between two adjacent groups of cooling units.
Further, wet cold air machine is connected with including wet cold flabellum and wet cold motor, wet cold motor with be connected with the speed reducer between the wet cold flabellum.
After the structure of the oil-water separator is adopted, the utility model relates to a fog dispersal type is wet jointly cooling tower futilely, it has following beneficial effect at least:
firstly, a dry cooling main machine and a dry cooling fan are arranged at an air outlet of the wet heat exchange body, soft water is conveyed into the dry cooling main machine through the blast furnace cooling water inlet main pipe and the hot blast stove cooling water inlet main pipe for precooling, and external cold air is converted into hot air through heat exchange of the dry cooling main machine. Soft water after the heat transfer passes through the pipe-line transportation extremely in the wet cold host computer, spray set is right the wet cold host computer cools off, and produced humid air drives through wet cold air machine and gets rid of through the air outlet, humid air with hot-air mixes in the air outlet top, makes saturated humid air becomes unsaturated humid air, has reduced the production of discharging back white fog.
Secondly, because the diameter of wet cooling fan is great, through will dry cold host computer setting is in the air outlet top and the arc of wet-type heat transfer body are arranged around the air outlet, make laminating that dry cold host computer can be better the shape of wet cooling fan place air outlet improves fog dispersal effect.
In production practice, the usage amount of blast furnace cooling water and hot blast stove cooling water in unit time is often required to be allocated according to production conditions, and by setting the communication valve, the communication valve at the corresponding position is closed, and a part of cooling unit can be adjusted between the first cooling area and the second cooling area.
Drawings
Fig. 1 is a pipeline layout diagram of a fog dispersal dry and wet combined cooling tower of the utility model.
Fig. 2 is a layout diagram of the pipeline of the present invention with the communication valve.
Fig. 3 is a schematic top view of the present invention.
Fig. 4 is a schematic side view of the present invention.
Fig. 5 is a schematic sectional view of the present invention.
Fig. 6 is a schematic diagram of the arrangement structure of the dry cooling main machine.
In the figure:
a first cooling unit 11; a second chiller unit 12; a third chiller unit 13; a fourth chiller unit 14; a fifth chiller plant 15;
a blast furnace cooling water inlet main pipe 21; a blast furnace cooling water outlet header 22; a cooling water inlet main pipe 23 of the hot blast stove; a cooling water outlet main pipe 24 of the hot blast stove;
a wet heat exchange body 31; a wet cooling main machine 32; a wet cooling fan 33; a dry cooling main machine 34; a dry cooling fan 35;
a spray water supply main pipe 41; a spray inlet manifold 42; a spray device 43;
an overhaul corridor 51; a lighting fixture 52;
a first branch pipe 61; a second branch pipe 62; communicating with valve 63.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.
As shown in fig. 1 to 6, it is a dry-wet combined cooling tower of fog dispersal type according to the present invention, which comprises a first cooling area, a second cooling area, a main pipe 21 for blast furnace cooling water inlet, a main pipe 22 for blast furnace cooling water outlet, a main pipe 23 for hot blast furnace cooling water inlet, and a main pipe 24 for hot blast furnace cooling water outlet; the first cooling area and the second cooling area respectively comprise at least one cooling unit. As shown in fig. 1 and 2, a first cooling unit 11, a second cooling unit 12, a third cooling unit 13, a fourth cooling unit 14, and a fifth cooling unit 15 are provided in this order from left to right.
Each cooling unit comprises a wet heat exchange body 31, a wet cooling main machine 32 and a plurality of dry cooling main machines 34; wet cold host computer 32 is located in wet-type heat transfer body 31, be provided with spray set 43 in the wet cold host computer 32, be formed with on the wet-type heat transfer body 31 and be located the air outlet of wet cold host computer 32 top is provided with wet cooling fan 33 in the air outlet, and is further, wet cooling fan 33 is connected with including wet cold flabellum and wet cold motor, wet cold motor with be connected with the speed reducer between the wet cold flabellum.
The dry cooling main machines 34 are arranged above the air outlet of the wet heat exchange body 31 and are arranged around the air outlet in an arc shape, and dry cooling fans 35 are arranged on the dry cooling main machines 34; the output end of the dry cooling main machine 34 is connected with the input end of the wet cooling main machine 32 through a pipeline (as shown in fig. 4 and 5); the input end of a dry cooling main machine 34 in the first cooling area is connected with a blast furnace cooling water inlet main pipe 21, and the output end of a wet cooling main machine 32 in the first cooling area is connected with a blast furnace cooling water outlet main pipe 22; the input end of the dry cooling main machine 34 in the second cooling area is connected with the hot blast stove cooling water inlet main pipe 23, and the output end of the wet cooling main machine 32 in the second cooling area is connected with the hot blast stove cooling water outlet main pipe 24.
Thus, the utility model relates to a fog dispersal type is wet joint cooling tower futilely, through the air outlet of wet-type heat transfer body 31 sets up dry-cold host computer 34 and dry air cooler 35, and soft water passes through main pipe 21 of intaking of blast furnace cooling water and main pipe 23 of intaking of hot-blast furnace cooling water carry extremely carry out precooling in the dry-cold host computer 34, external cold air process the heat transfer one-tenth hot-air of dry-cold host computer 34. Soft water after the heat transfer passes through the pipe-line transportation extremely in the wet and cold host computer 32, the side is formed with the air intake under the shown wet heat transfer body 31, spray set 43 is right wet and cold host computer 32 cools off, and produced humid air passes through wet cold air machine 33 and drives and get rid of through the air outlet, humid air with hot-air mixes in the air outlet top, makes saturated humid air becomes unsaturated humid air, has reduced the production of discharging back white fog.
As shown in fig. 3 and 6, the number of the dry cooling main machines 34 in each cooling unit is six, three dry cooling main machines 34 are respectively arranged on two sides above the air outlet, and the three dry cooling main machines 34 on the same side are sequentially connected and distributed in an arc shape around the center of the wet cooling fan 33; the cooling units are sequentially arranged in a straight line, and the dry cooling main machine 34 of each cooling unit is connected with the dry cooling main machine 34 on the same side of the adjacent cooling unit. Because the diameter of wet cooling fan 33 is great, through will dry cooling host 34 sets up wet-type heat transfer body 31's air outlet top and arc are arranged around the air outlet, make laminating that dry cooling host 34 can be better wet cooling fan 33 place air outlet's shape improves fog dispersal effect.
Preferably, the wet cooling main machine 32 is provided with heat exchange units in the same number as the dry cooling main machines 34 of the cooling unit, and the input end of each heat exchange unit is connected with the output end of one dry cooling main machine 34. Each heat exchange monomer is provided with an input end and an output end, and further, the heat exchange monomers are heat exchange plate bundles. Each heat exchange monomer is matched with the dry cooling main machine 34 one by one, so that the heat exchange efficiency is better.
Preferably, the fog dispersal type dry-wet combined cooling tower further comprises a spraying water supply main pipe 41, and the input end of a spraying device 43 in each cooling unit is connected with the spraying water supply main pipe 41. The spray water supply main pipe 41 supplies cooling water to all the cooling units.
Preferably, the spraying water supply main pipe 41 is connected with each spraying device through a spraying water inlet branch pipe 42, and a flow meter is arranged on the spraying water inlet branch pipe 42. The flow meter (not shown) is capable of metering the amount of cooling water used by each cooling unit. A drain valve is arranged beside the output end of the wet cooling main machine and connected with the water pool or the drain pipe network through the drain valve, so that the cleaning of the internal structure is facilitated.
Preferably, an access corridor 51 is arranged above the air outlet, and an illuminating lamp 52 is arranged on the access corridor 51. Through setting up overhaul corridor 51, the workman can be convenient overhauls wet air cooler 33, illumination lamps and lanterns 52 provide the illumination when overhauing night.
Preferably, the input end of each dry cooling main machine 34 is connected with a first branch pipe 61; the output end of each wet cooling main machine 32 is connected with a second branch pipe 62; the two ends of the first branch pipe 61 are respectively connected with the blast furnace cooling water inlet main pipe 21 and the hot blast stove cooling water inlet main pipe 23; the two ends of the second branch pipe 62 are respectively connected with the blast furnace cooling water outlet main pipe 22 and the hot blast stove cooling water outlet main pipe 24; the first branch pipe 61 and the second branch pipe 62 are respectively provided with a communication valve 63 between two adjacent cooling units. In production practice, the usage of blast furnace cooling water and hot blast stove cooling water in unit time often needs to be allocated according to production conditions, and through setting the communication valve 63, the communication valve 63 at the corresponding position is closed, and a part of cooling units can be adjusted between the first cooling area and the second cooling area.
As shown in fig. 2, a first branch pipe 61 and a second branch pipe 62 between the first cooling unit 11, the second cooling unit 12, the third cooling unit 13, the fourth cooling unit 14 and the fifth cooling unit 15 are provided with a communication valve 63, when the communication valve 63 between the fourth cooling unit 14 and the fifth cooling unit 15 is closed, the first cooling area includes the first cooling unit 11, the second cooling unit 12, the third cooling unit 13 and the fourth cooling unit 14, and the second cooling area includes the fifth cooling unit 15. When the communication valve 63 between the third cooling unit 13 and the fourth cooling unit 14 is closed, the other communication valves 63 are opened, the first cooling area includes the first cooling unit 11, the second cooling unit 12 and the third cooling unit 13, and the second cooling area includes the fourth cooling unit 14 and the fifth cooling unit 15. Thus, the cooling water amount of the first cooling area and the second cooling area is adjusted. Soft water entering the first cooling zone from the blast furnace cooling water inlet header pipe 21 also flows back from the blast furnace cooling water outlet header pipe 22; soft water entering the second cooling area from the hot blast stove cooling water inlet main pipe 23 also flows back from the hot blast stove cooling water outlet main pipe 24.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.
Claims (9)
1. A fog dispersal type dry-wet combined cooling tower is characterized by comprising a first cooling area, a second cooling area, a blast furnace cooling water inlet main pipe, a blast furnace cooling water outlet main pipe, a hot blast stove cooling water inlet main pipe and a hot blast stove cooling water outlet main pipe; the first cooling area and the second cooling area respectively comprise at least one cooling unit;
each cooling unit comprises a wet heat exchange body, a wet cooling main machine and a plurality of dry cooling main machines; the wet cooling main machine is positioned in the wet heat exchange body, a spraying device is arranged in the wet cooling main machine, an air outlet positioned above the wet cooling main machine is formed in the wet heat exchange body, a wet cooling fan is arranged in the air outlet, a plurality of dry cooling main machines are arranged above the air outlet of the wet heat exchange body and are arranged around the air outlet in an arc shape, and dry cooling fans are arranged on the dry cooling main machines; the output end of the dry cooling main machine is connected with the input end of the wet cooling main machine through a pipeline;
the input end of a dry cooling main machine in the first cooling area is connected with a blast furnace cooling water inlet main pipe, and the output end of a wet cooling main machine in the first cooling area is connected with a blast furnace cooling water outlet main pipe; the input end of the dry cooling main machine in the second cooling area is connected with a hot blast stove cooling water inlet main pipe, and the output end of the wet cooling main machine in the second cooling area is connected with a hot blast stove cooling water outlet main pipe.
2. The fog dispersal type dry-wet combined cooling tower as claimed in claim 1, wherein a plurality of said dry-cold main machines of each cooling unit are divided into two groups and symmetrically arranged at both sides above said air outlet, a plurality of dry-cold main machines at the same side are sequentially connected and distributed in an arc shape around the center of said wet-cold fan; the cooling units are sequentially arranged in a straight line, and the dry cooling main machine of each cooling unit is connected with the dry cooling main machine on the same side of the adjacent cooling unit.
3. The fog dispersal type dry-wet combined cooling tower as claimed in claim 2, wherein the number of the dry-cold main machines of each cooling unit is six, and three dry-cold main machines are symmetrically arranged on two sides above the air outlet.
4. The fog dispersal type dry-wet combined cooling tower as claimed in claim 1, wherein the wet-cold main machine is provided with the same number of heat exchange units as the dry-cold main machine of the cooling unit, and the input end of each heat exchange unit is respectively connected with the output end of one dry-cold main machine.
5. The fog dispersal type combined dry and wet cooling tower as claimed in claim 1, wherein the fog dispersal type combined dry and wet cooling tower further comprises a spray water supply main pipe, and the input end of the spray device in each cooling unit is connected with the spray water supply main pipe.
6. The dry-wet combined cooling tower of the fog dispersal type as set forth in claim 5, wherein said spray water supply header is connected to each of said spray devices by a spray water inlet branch pipe, said spray water inlet branch pipe being provided with a flow meter.
7. The dry-wet combined cooling tower of claim 1, wherein an access corridor is arranged above the air outlet, and an illumination lamp is arranged on the access corridor.
8. The dry-wet combined cooling tower of claim 1, wherein the input end of each dry-cold main machine is connected with a first branch pipe; the output end of each wet cooling host is connected with a second branch pipe; two ends of the first branch pipe are respectively connected with the blast furnace cooling water inlet main pipe and the hot blast stove cooling water inlet main pipe; two ends of the second branch pipe are respectively connected with the blast furnace cooling water outlet main pipe and the hot blast stove cooling water outlet main pipe; and the first branch pipe and the second branch pipe are respectively provided with a communication valve between two adjacent groups of cooling units.
9. The fog dispersal type dry-wet combined cooling tower as claimed in claim 1, wherein the wet cooling fan is connected with a wet cooling fan blade and a wet cooling motor, and a speed reducer is connected between the wet cooling motor and the wet cooling fan blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020172992.7U CN211903818U (en) | 2020-02-16 | 2020-02-16 | Fog dispersal type dry-wet combined cooling tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020172992.7U CN211903818U (en) | 2020-02-16 | 2020-02-16 | Fog dispersal type dry-wet combined cooling tower |
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| CN211903818U true CN211903818U (en) | 2020-11-10 |
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| CN202020172992.7U Active CN211903818U (en) | 2020-02-16 | 2020-02-16 | Fog dispersal type dry-wet combined cooling tower |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111189335A (en) * | 2020-02-16 | 2020-05-22 | 福建立信换热设备制造股份公司 | Fog dispersal type dry-wet combined cooling tower |
| CN113758302A (en) * | 2021-09-06 | 2021-12-07 | 石横特钢集团有限公司 | Upper and lower combination, dry-wet separation, mixed air fog dissipation type evaporative air cooler |
-
2020
- 2020-02-16 CN CN202020172992.7U patent/CN211903818U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111189335A (en) * | 2020-02-16 | 2020-05-22 | 福建立信换热设备制造股份公司 | Fog dispersal type dry-wet combined cooling tower |
| CN111189335B (en) * | 2020-02-16 | 2024-06-07 | 福建立信换热设备制造股份公司 | Fog-dissipating type dry-wet combined cooling tower |
| CN113758302A (en) * | 2021-09-06 | 2021-12-07 | 石横特钢集团有限公司 | Upper and lower combination, dry-wet separation, mixed air fog dissipation type evaporative air cooler |
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