CN217131892U - Cooling system for circulating water - Google Patents
Cooling system for circulating water Download PDFInfo
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- CN217131892U CN217131892U CN202220540311.7U CN202220540311U CN217131892U CN 217131892 U CN217131892 U CN 217131892U CN 202220540311 U CN202220540311 U CN 202220540311U CN 217131892 U CN217131892 U CN 217131892U
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Abstract
The utility model belongs to a cooling system for circulating water; the cooling water cooling tower system comprises a plurality of groups of cooling water cooling towers, wherein each group of cooling water cooling tower comprises at least one motor cooling water cooling tower and at least one water turbine cooling water cooling tower; a first backwater lower tower distribution header pipe is arranged in the motor cold water cooling tower, a second backwater lower tower distribution header pipe is arranged in the water turbine cold water cooling tower, the first backwater lower tower distribution header pipe and the second backwater lower tower distribution header pipe in each group of cold water cooling towers are connected, and a cold water regulating valve is arranged between the backwater lower tower distribution header pipes between the adjacent cold water cooling towers in each group; the water cooling tower has the advantages of simple structure, reasonable design and capability of effectively reducing the power consumption in the water cooling tower on the premise of ensuring the normal operation of the water cooling tower.
Description
Technical Field
The utility model belongs to the technical field of cooling tower for the circulating water, concretely relates to cooling system for circulating water.
Background
In chemical enterprises, more cooling towers are needed to cool circulating water, so that the aim of saving water resources to the maximum extent is fulfilled; the existing cooling tower uses a motor as a main component of a fan to convert electric energy into wind energy so as to achieve the purpose of cooling water; however, the above method has the disadvantage that it consumes electric energy although saving water resource, wherein the cooling tower of the above type needs to consume 4.5 kw · h of electricity for cooling one ton of water, which increases the operation cost of the enterprise; in order to overcome the defects, some enterprises try to adopt circulating water as power to realize fan rotation and cool the circulating water, but the above method can only exist in a theoretical state, and cannot be popularized and used in an actual use process, and the reason is as follows: 1. the treatment capacity of each water cooling tower for circulating water is constant, and meanwhile, if the power delivered by the fan is met and the circulating water after acting is cooled in the water cooling tower, the circulating water cannot be completely cooled due to the fact that the quantity of the circulating water is too large; 2. the treatment capacity of the water cooling tower to the circulating water is taken as a standard, the power transmitted by the fan is low, and the circulating water cannot be completely cooled; 3. in addition, the cooling of the circulating water by the water cooling tower is greatly influenced by the natural environment, and the cooling of the circulating water by taking the circulating water as power cannot be realized under the normal condition; in order to overcome the defects, some enterprises try to pressurize the circulating water in the main circulating water cooling pipeline to meet the load of a fan, but the operation also needs to consume electric energy; the operating cost of the enterprise cannot be reduced.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's defect, and provide a simple structure, reasonable in design, can guarantee under the normal moving prerequisite of cooling tower, effectively reduce cooling tower in electric quantity consumption's cooling system for the circulating water.
The purpose of the utility model is realized like this:
a cooling system for circulating water comprises a plurality of groups of cold water cooling towers, wherein each group of cold water cooling tower comprises at least one motor cold water cooling tower and at least one water turbine cold water cooling tower; the water turbine cooling tower is characterized in that a first backwater lower tower distribution header pipe is arranged in the motor cooling water cooling tower, a second backwater lower tower distribution header pipe is arranged in the water turbine cooling water cooling tower, the first backwater lower tower distribution header pipe and the second backwater lower tower distribution header pipe in each group of cooling water cooling towers are connected, and a cooling water regulating valve is arranged between the backwater lower tower distribution header pipes between adjacent cooling water cooling towers in each group.
Preferably, the motor cold water cooling tower comprises a first cold water tank arranged at the bottom, a first tower body is arranged at the top of the first cold water tank, a first underwater return tower distribution header pipe with a plurality of first spray nozzles is arranged at the middle part in the first tower body, a first air duct is arranged at the middle position of the top of the first tower body, and a first fan with a motor is arranged in the first air duct; one end of the first underwater circulation tower distribution header pipe is connected with a circulating water cooling main pipeline.
Preferably, the water turbine cooling tower comprises a second cooling water pool arranged at the bottom, a second tower body is arranged at the top of the second cooling water pool, a second backwater lower tower distribution header pipe with a plurality of second spray nozzles is arranged in the middle of the inside of the second tower body, a second air duct is arranged in the middle of the top of the second tower body, and a second fan with a water turbine is arranged inside the second air duct; the inlet end of the water turbine is connected with the circulating water cooling main pipeline, and the outlet end of the water turbine is connected with a second backwater lower tower distribution header pipe.
Preferably, the circulating water cooling main pipeline is respectively connected with the inlet end of the water turbine and one end of the second underwater returning tower distribution main pipe through a tee joint; and a first regulating valve is arranged between the tee joint and the inlet end of the water turbine, and a second regulating valve is arranged at one end of the tee joint and one end of a second underwater tower distribution header pipe.
Preferably, a circulating water pressure gauge is arranged between the first regulating valve and the inlet end of the water turbine.
Preferably, each group of cold water cooling towers comprises a motor cold water cooling tower and a water turbine cold water cooling tower.
Preferably, each group of cold water cooling towers comprises a motor cold water cooling tower and two water turbine cold water cooling towers, and the two water turbine cold water cooling towers are arranged on two sides of the motor cold water cooling tower.
Preferably, each group of cold water cooling towers comprises two motor cold water cooling towers and three water turbine cold water cooling towers, and the water turbine cold water cooling towers and the motor cold water cooling towers are arranged in a staggered mode.
According to the cooling system for the circulating water, the motor cold water cooling tower and the water turbine cold water cooling tower are arranged in each group of cold water cooling towers, so that the circulating water entering the water turbine cold water cooling tower can be compensated, namely, the quantity of the circulating water entering the water turbine cold water cooling tower is increased to meet the power transmitted by a fan, and after the circulating water works, redundant circulating water enters the motor cold water cooling tower through the cold water regulating valve to be cooled; furthermore, the utility model discloses a set up the tee bend and realized the frequency conversion regulatory function to the fan, adjust the inflow of circulating water in the hydraulic turbine promptly through first governing valve and second governing valve, reduce the aperture of second governing valve when the volume that the circulating water got into the hydraulic turbine is too big, increase the aperture of second governing valve when the volume that the circulating water got into the hydraulic turbine is too little, and can carry out the pressure release through first governing valve when getting into the cold water cooling tower of hydraulic turbine when the circulating water volume is too big; furthermore, when the water cooling tower is in winter (outdoor air temperature is low) or is overhauled, the second regulating valve can be closed, and the purpose that circulating water directly enters the second water return lower tower distribution main pipe for circulating cooling is achieved by opening the first regulating valve; the water cooling tower has the advantages of simple structure, reasonable design and capability of effectively reducing the power consumption in the water cooling tower on the premise of ensuring the normal operation of the water cooling tower.
Drawings
Fig. 1 is a schematic structural diagram of a cooling tower for water turbine according to the present invention.
Fig. 2 is a schematic structural diagram of the cooling tower for cooling water of the motor.
Fig. 3 is a schematic structural diagram of a cooling tower with electric machine and a cooling tower with hydraulic turbine according to the present invention.
Fig. 4 is a schematic structural diagram of a cooling tower with electric machine and two cooling towers with hydraulic turbines according to the present invention.
Fig. 5 is a schematic structural diagram of two motor cooling towers and three water turbine cooling towers according to the present invention.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings, in which like reference numerals refer to like parts throughout. For the sake of simplicity, only the parts relevant to the invention are schematically shown in the drawings, and they do not represent the actual structure as a product.
As shown in fig. 1-5, the utility model relates to a cooling system for circulating water, which comprises a plurality of groups of cooling towers, wherein each group of cooling towers comprises at least one motor cooling tower 1 and at least one water turbine cooling tower 2; a first backwater lower tower distribution header pipe 13 is arranged in the motor cold water cooling tower 1, a second backwater lower tower distribution header pipe 23 is arranged in the water turbine cold water cooling tower 2, the first backwater lower tower distribution header pipe 13 and the second backwater lower tower distribution header pipe 23 in each group of cold water cooling towers are connected, and a cold water regulating valve 4 is arranged between the backwater lower tower distribution header pipes between the adjacent cold water cooling towers in each group. The utility model discloses in every group cold water cooling tower include at least one motor cold water cooling tower 1 and at least one hydraulic turbine cold water cooling tower 2, above-mentioned setting can be through replenishing into hydraulic turbine cold water cooling tower 2 and do work through the circulating water that will get into in the motor cold water cooling tower 1 of preparation, in order to reach the problem that compensation hydraulic turbine 25 power is not enough, can make partly circulating water after the work get back to motor cold water cooling tower 1 again simultaneously, realize the fully refrigerated characteristics to the circulating water, above-mentioned characteristics can guarantee equipment normal operating and realize the fully refrigerated purpose of circulating water under the prerequisite that does not increase supercharging equipment.
Further, the motor cold water cooling tower 1 comprises a first cold water tank 10 arranged at the bottom, a first tower body 11 is arranged at the top of the first cold water tank 10, a first underwater returning tower distribution header pipe 13 with a plurality of first spray nozzles 12 is arranged at the middle part in the first tower body 11, a first air duct 14 is arranged at the middle position of the top of the first tower body 11, and a first fan 16 with a motor 15 is arranged in the first air duct 14; one end of the first underwater circulation tower distribution header pipe 13 is connected with the circulating water cooling main pipeline 3. The circulating water in the circulating water cooling main pipeline 3 in the utility model is the circulating water to be cooled discharged from water-using equipment, and generally has a certain pressure; the circulating water in the main circulating water cooling pipeline 3 of the utility model enters the first backwater tower distribution header pipe 13, flows into the first tower body 11 through the first spray head 12, and enters the first cold water pool 10 to complete cooling under the premise of the rotation of the first fan 16 and the self gravity of the circulating water; further combining the above, the first backwater tower distribution header pipe 13 of the present invention is also used for cooling a part of the circulating water after the water turbine cooling tower 2 applies work; the above mode can realize that the motor cold water cooling tower 1 and the water turbine cold water cooling tower 2 carry out full load cooling circulation water.
Further, the water turbine cooling tower 2 comprises a second cooling water pool 20 arranged at the bottom, a second tower body 21 is arranged at the top of the second cooling water pool 20, a second return water lower tower distribution header pipe 23 with a plurality of second spray nozzles 22 is arranged in the middle of the inside of the second tower body 21, a second air duct 24 is arranged at the middle position of the top of the second tower body 21, and a second fan 26 with a water turbine 25 is arranged inside the second air duct 24; the inlet end of the water turbine 25 is connected with the circulating water cooling main pipeline 3, and the outlet end of the water turbine 25 is connected with the second backwater lower tower distribution header pipe 23. The arrangement can enable the circulating water in the circulating water cooling main pipeline 3 to directly enter the water turbine 25 to do work and drive the second fan 26 to rotate so as to enable the hot air in the second tower body 21 to be discharged out smoothly, on the basis, the circulating water after doing work enters the second water return lower tower distribution header pipe 23, one part of the circulating water enters the first water return lower tower distribution header pipe 13 to be cooled in the motor cold water cooling tower 1, and the other part of the circulating water directly enters the second cold water pool 20 through the second spray nozzle 22 to finish cooling.
Further, the main circulating water cooling pipeline 3 is respectively connected with the inlet end of the water turbine 25 and one end of the second backwater lower tower distribution header pipe 23 through a tee joint 30; a first regulating valve 27 is arranged between the tee joint 30 and the inlet end of the water turbine 25, and a second regulating valve 28 is arranged at one end of the tee joint 30 and one end of the second underwater returning tower distribution manifold 23. The utility model discloses a set up tee bend 30, first governing valve 27 and second governing valve 28 and can realize adjusting the flow of circulating water at normal during operation, can close the second fan 26 of taking water turbine 25 simultaneously in winter or the in-process of overhauing, realize that the circulating water is direct to be returned the purpose that tower distribution house steward 23 flowed in second tower body 21 and realize the cooling by the second.
Further, a circulating water pressure gauge 29 is arranged between the first regulating valve 27 and the inlet end of the water turbine 25.
Furthermore, each group of cold water cooling towers comprises a motor cold water cooling tower 1 and a water turbine cold water cooling tower 2.
Furthermore, each group of cold water cooling towers comprises a motor cold water cooling tower 1 and two water turbine cold water cooling towers 2, and the two water turbine cold water cooling towers 2 are arranged on two sides of the motor cold water cooling tower 1.
Furthermore, each group of cold water cooling towers comprises two motor cold water cooling towers 1 and three water turbine cold water cooling towers 2, and the water turbine cold water cooling towers 2 and the motor cold water cooling towers 1 are arranged in a staggered mode. According to the above content, each group of cold water cooling towers at least comprises one motor cold water cooling tower 1, and the purpose is to supplement the problem that the power of the water turbine 25 in the water turbine cold water cooling tower 2 is insufficient, and simultaneously, the water turbine cold water cooling tower 2 can do work and the redundant circulating water enters the motor cold water cooling tower 1 to realize complete cooling so as to ensure the purpose of stable operation in the whole process.
The utility model discloses a theory of operation does: circulating water used by each relevant device is conveyed into a cooling system for circulating water through a main circulating water cooling pipeline 3, the circulating water in the main circulating water cooling pipeline 3 firstly meets the load requirement of the water turbine 25 in the water turbine cooling tower 2, the rest circulating water enters the motor cooling tower 1, the circulating water entering the water turbine cooling tower 2 drives the water turbine 25 to work, the second fan 26 rotates, the worked circulating water enters the second backwater lower tower distribution header pipe 23, the cooling water regulating valve 4 is opened at the moment, the redundant circulating water enters the first backwater lower tower distribution header pipe 13 in the motor cooling tower 1, and joins with the circulating water entering into the first underwater tower distribution header pipe 13 from the main circulating water cooling pipeline 3, and is sprayed out through the first spray head 12 after joining, the water flows downwards at the first tower body 11 under the action of gravity and finally flows into the first cold water pool 10; one part of the working circulating water enters the first backwater lower tower distribution header pipe 13, and the other part of the working circulating water is sprayed out through a second spray head 22 of a second backwater lower tower distribution header pipe 23, descends on a second tower body 21 under the action of gravity and finally flows into a second cold water pool 20; preferably, the first cold water pool 10 is communicated with the second cold water pool 20, and the first cold water pool can be pressurized and conveyed to a corresponding circulating water unit through a pump to complete a cooling cycle; in the process, the motor 15 provides power for the first fan 16, the water turbine 25 provides power for the second fan 26, and the amount of the cooling circulating water of the first fan and the second fan can be guaranteed to be the rated amount of the cooling circulating water of the first fan and the second fan; in the actual working process of the utility model, the circulating water quantity entering the water turbine cooling tower 2 can be slightly larger than the circulating water quantity needed by the water turbine 25, and the opening degree of the first regulating valve 27 and the second regulating valve 28 is adjusted to meet the working requirement of the water turbine 25; when the outdoor temperature is lower in winter, circulating water in the main circulating water cooling pipeline 3 respectively enters the motor cold water cooling tower 1 and the water turbine cold water cooling tower 2, the circulating water in the motor cold water cooling tower 1 is sprayed out through a first spray head 12 of a first water return lower tower distribution header pipe 13 and enters a first cold water pool 10, and the circulating water in the water turbine cold water cooling tower 2 is sprayed out through a second spray head 22 of a second water return lower tower distribution header pipe 23 and enters a second cold water pool 20; in the process, the motor 15 and the water turbine 25 are not started, and outdoor calyx is used for cooling according to the temperature; but the operation mode in winter can be adopted when the maintenance is needed, or the water turbine cooling tower 2 is directly closed for maintenance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected," "connecting," and the like are to be construed broadly, and may, for example, be fixedly connected, integrally connected, or detachably connected; or communication between the interior of the two elements; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art can understand the specific meaning of the above terms in the present invention according to specific situations. The above examples are merely illustrative of the feasible embodiments of the present invention and they are not intended to limit the scope of the present invention, and equivalent embodiments, modifications and alterations without departing from the technical spirit of the present invention are included in the scope of the present invention.
Claims (8)
1. The utility model provides a cooling system for circulating water, includes a plurality of groups cold water cooling tower which characterized in that: each group of cold water cooling towers comprises at least one motor cold water cooling tower (1) and at least one water turbine cold water cooling tower (2);
a first underwater returning tower distribution header pipe (13) is arranged in the motor cold water cooling tower (1), a second underwater returning tower distribution header pipe (23) is arranged in the water turbine cold water cooling tower (2),
and a first return water lower tower distribution header pipe (13) and a second return water lower tower distribution header pipe (23) in each group of cold water cooling towers are connected, and a cold water regulating valve (4) is arranged between return water lower tower distribution header pipes between adjacent cold water cooling towers in each group.
2. The cooling system for circulating water according to claim 1, characterized in that: the motor cold water cooling tower (1) comprises a first cold water pool (10) arranged at the bottom, a first tower body (11) is arranged at the top of the first cold water pool (10), a first underwater return tower distribution header pipe (13) with a plurality of first spray nozzles (12) is arranged in the middle of the inside of the first tower body (11), a first air duct (14) is arranged in the middle of the top of the first tower body (11), and a first fan (16) with a motor (15) is arranged inside the first air duct (14); one end of the first underwater circulating tower distribution main pipe (13) is connected with a circulating water cooling main pipe (3).
3. The cooling system for circulating water according to claim 1, characterized in that: the water turbine cooling tower (2) comprises a second cooling water pool (20) arranged at the bottom, a second tower body (21) is arranged at the top of the second cooling water pool (20), a second underwater tower distribution header pipe (23) with a plurality of second spray nozzles (22) is arranged in the middle of the inside of the second tower body (21), a second air duct (24) is arranged in the middle of the top of the second tower body (21), and a second fan (26) with a water turbine (25) is arranged inside the second air duct (24);
the inlet end of the water turbine (25) is connected with the circulating water cooling main pipeline (3), and the outlet end of the water turbine (25) is connected with the second backwater lower tower distribution header pipe (23).
4. The cooling system for circulating water according to claim 3, characterized in that: the circulating water cooling main pipeline (3) is respectively connected with the inlet end of a water turbine (25) and one end of a second underwater return tower distribution header pipe (23) through a tee joint (30); a first adjusting valve (27) is arranged between the inlet ends of the tee joint (30) and the water turbine (25), and a second adjusting valve (28) is arranged at one end of the tee joint (30) and one end of the second underwater returning tower distribution main pipe (23).
5. The cooling system for circulating water according to claim 4, characterized in that: and a circulating water pressure gauge (29) is arranged between the first regulating valve (27) and the inlet end of the water turbine (25).
6. The cooling system for circulating water according to any one of claims 1 to 5, characterized in that: each group of cold water cooling towers comprises a motor cold water cooling tower (1) and a water turbine cold water cooling tower (2).
7. The cooling system for circulating water according to any one of claims 1 to 5, characterized in that: each group of cold water cooling towers comprises a motor cold water cooling tower (1) and two water turbine cold water cooling towers (2), and the two water turbine cold water cooling towers (2) are arranged on two sides of the motor cold water cooling tower (1).
8. The cooling system for circulating water according to any one of claims 1 to 5, characterized in that: each group of cold water cooling towers comprises two motor cold water cooling towers (1) and three water turbine cold water cooling towers (2), and the water turbine cold water cooling towers (2) and the motor cold water cooling towers (1) are arranged in a staggered mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220540311.7U CN217131892U (en) | 2022-03-12 | 2022-03-12 | Cooling system for circulating water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220540311.7U CN217131892U (en) | 2022-03-12 | 2022-03-12 | Cooling system for circulating water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217131892U true CN217131892U (en) | 2022-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220540311.7U Active CN217131892U (en) | 2022-03-12 | 2022-03-12 | Cooling system for circulating water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217131892U (en) |
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2022
- 2022-03-12 CN CN202220540311.7U patent/CN217131892U/en active Active
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