CN219624522U - Industrial water cooling system of thermal power plant - Google Patents
Industrial water cooling system of thermal power plant Download PDFInfo
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- CN219624522U CN219624522U CN202320350381.0U CN202320350381U CN219624522U CN 219624522 U CN219624522 U CN 219624522U CN 202320350381 U CN202320350381 U CN 202320350381U CN 219624522 U CN219624522 U CN 219624522U
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Abstract
The utility model discloses an industrial water cooling system of a thermal power plant, and relates to the technical field of industrial water cooling systems. The industrial water cooling system of the thermal power plant is used for circularly cooling industrial water and comprises an industrial water tank, an industrial water pump, an industrial water user and a cooling tower, wherein an outlet of the industrial water user is connected with an inlet of the cooling tower, and an outlet of the cooling tower is connected with an inlet of the industrial water tank. According to the industrial water cooling system of the thermal power plant, the cooling tower is additionally arranged, and the cooling tower adjusting valve and the industrial water outlet temperature are adjusted in a linkage manner, so that the industrial water return temperature of the industrial water system in high-temperature weather can be reduced, the outlet temperature of the industrial water system is further reduced, the operation stability of an industrial water system user in high-temperature weather is improved, and the cooling effect of 7 ℃ can be maximally achieved in the implementation of the thermal power plant; the adjusting valve of the cooling tower and the outlet water temperature of the industrial water are adjusted in a linkage way, so that the adjusting capability of the industrial water system can be improved.
Description
Technical Field
The utility model relates to the technical field of industrial water cooling systems, in particular to an industrial water cooling system of a thermal power plant.
Background
The cooling water of running equipment in many large-scale thermal power plants is industrial water, and an industrial water system adopts closed circulation and does not have other systems to cool the industrial water system. As global climate warms up and the peak temperature of the environment rises year by year, the peak temperature of the industrial water rises year by year, and when the weather is in the face of summer, the temperature of the industrial water rises, the cooling effect of the industrial water gradually becomes worse, and most of the cooling equipment reaches a tripping critical value, and an external fan is needed to cool down the equipment, but the cooling effect is poor.
In the similar field technology, a cooling tower is adopted to strengthen the heat exchange power of a cooling system so as to reduce the temperature of the system, if the cooling tower is directly arranged on an industrial water return pipeline, a better cooling effect can be provided, but under the condition that the industrial water pump works at full load, the cooling tower needs to be provided with a certain cooling regulation function, a mode of additionally arranging a manual valve between the cooling tower and a return water main pipe is generally selected for regulation, but along with the change of the temperature in one day, the manual valve can be regulated for a plurality of times in one day.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides an industrial water cooling system of a thermal power plant, which solves the following technical problems:
1. the existing industrial water system is insufficient in cooling in the face of high-temperature weather;
2. the cooling regulation of the existing cooling system adopting the cooling tower depends on manual work.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme: an industrial water cooling system of a thermal power plant is used for circularly cooling industrial water and comprises an industrial water tank, an industrial water pump and an industrial water user, wherein an outlet of the industrial water tank is connected with an inlet of the industrial water pump, an outlet of the industrial water pump is connected with an inlet of the industrial water user, and an outlet of the industrial water user is connected with an inlet of the industrial water tank;
the system comprises a cooling tower, wherein an outlet of an industrial water user is connected with an inlet of the cooling tower, and an outlet of the cooling tower is connected with an inlet of an industrial water tank;
the industrial water tank cooling device comprises a controller and a temperature transmitter, wherein the temperature transmitter is arranged at the outlet of an industrial water tank, the temperature transmitter is used for monitoring the temperature of industrial water at the outlet of the industrial water tank, an adjusting door is arranged on a loop from a cooling tower to an inlet of the industrial water tank, the adjusting door is electrically connected with the controller, and the controller can adjust the opening of the adjusting door through the change of the temperature of industrial water at the outlet of the industrial water tank.
Preferably, the device comprises a circulating water outlet pipe and a heat exchanger, wherein the cooling side of the heat exchanger is arranged between the outlet of an industrial water user and the inlet of an industrial water pool, and the heating side of the heat exchanger is communicated with the circulating water outlet pipe.
Preferably, the outlet and the inlet of the cooling side of the heat exchanger are respectively provided with a cooling side outlet valve and a cooling side inlet valve of the heat exchanger, and the outlet and the inlet of the heating side of the heat exchanger are respectively provided with a heating side outlet valve and a heating side inlet valve of the heat exchanger.
Preferably, the industrial water pump comprises a plurality of industrial water pumps connected in parallel with each other at the outlet of the industrial water tank.
Preferably, a cooling tower water return valve is arranged between the outlet of the cooling tower and the inlet of the industrial water tank.
(III) beneficial effects
The utility model provides an industrial water cooling system of a thermal power plant. The beneficial effects are as follows:
(1) According to the industrial water cooling system of the thermal power plant, the cooling tower is additionally arranged, and the cooling tower adjusting valve and the industrial water outlet temperature are adjusted in a linkage manner, so that the industrial water return temperature of the industrial water system in high-temperature weather can be reduced, the outlet temperature of the industrial water system is further reduced, the operation stability of an industrial water system user in high-temperature weather is improved, and the cooling effect of 7 ℃ can be maximally achieved in the implementation of the thermal power plant; the adjusting valve of the cooling tower and the outlet water temperature of the industrial water are adjusted in a linkage way, so that the adjusting capability of the industrial water system can be improved.
(2) The industrial water cooling system of the thermal power plant is additionally provided with a group of heat exchangers on the industrial water return pipeline, and the circulating water outlet of the thermal power plant is utilized to further cool the returned water of the industrial water, so that the temperature of the returned water of the industrial water can be further reduced.
Drawings
FIG. 1 is a schematic diagram of a prior art industrial water cooling system;
FIG. 2 is a schematic diagram of an industrial water cooling system according to the present utility model;
FIG. 3 is a schematic diagram of an industrial water cooling system (the outlet water temperature of industrial water is linked with the inlet valve of a cooling tower);
FIG. 4 is a schematic diagram of an industrial water cooling system (with the addition of a circulating water heat exchanger) according to the present utility model.
In the figure: 1. a first industrial pool; 11. a first industrial pool water return valve; 2. a second industrial pool; 21. a second industrial pool water return valve; 3. an industrial water pump set; 31. a first industrial water pump; 32. a second industrial water pump; 33. a third industrial water pump; 4. multiplexing a pool; 41. multiplexing a water inlet valve of a pool; 5. a cooling tower; 51. inlet valve of cooling tower; 52. cooling the tower to a water return valve of a first industrial pool; 53. cooling tower to the water return valve of the second industrial pool; 6. a controller; 7. a temperature transmitter; 8. a heat exchanger; 81. a cooling side inlet valve of the heat exchanger; 82. a cooling side outlet valve of the heat exchanger; 83. a heat exchanger heating side inlet valve; 84. the heat exchanger heats the side outlet valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1: specific embodiment of adding Cooling Tower only
Referring to fig. 2, an industrial water cooling system of a thermal power plant is used for circulating cooling industrial water and comprises an industrial water tank, an industrial water pump, an industrial water user and a cooling tower 5, wherein an outlet of the industrial water tank is connected with an inlet of the industrial water pump, an outlet of the industrial water pump is connected with an inlet of the industrial water user, an outlet of the industrial water user is connected with an inlet of the industrial water tank, an outlet of the industrial water user is connected with an inlet of the cooling tower 5, and an outlet of the cooling tower 5 is connected with an inlet of the industrial water tank. The industrial water pump comprises a plurality of industrial water pumps which are mutually connected in parallel on the outlet of the industrial water tank. A cooling tower water return valve is arranged between the outlet of the cooling tower 5 and the inlet of the industrial water tank.
Example 2: adding cooling tower cooling automatic regulation
Referring to fig. 3, on the basis of embodiment 1, the device comprises a controller 6 and a temperature transmitter 7, wherein the temperature transmitter 7 is arranged at the outlet of the industrial water tank, the temperature transmitter 7 is used for monitoring the temperature of industrial water at the outlet of the industrial water tank, an adjusting door 51 is arranged on a loop from the cooling tower 5 to the inlet of the industrial water tank, the adjusting door 51 is electrically connected with the controller 6, and the controller 6 can adjust the opening of the adjusting door 51 through the change of the temperature of industrial water at the outlet of the industrial water tank.
Wherein: the controller 6 is only a generic term for a control device, and does not refer to a certain controller, and in addition, the use of the controller 6 is necessarily matched with a computer program algorithm, but an algorithm for adjusting another variable through one variable exists in the existing computer program algorithm, besides, the technical problem to be solved by the utility model is not a problem of the computer program algorithm, so that the content of the computer program algorithm is not described again.
Example 3: cooling of industrial water backwater by using power plant circulating water outlet
On the basis of embodiment 1 or embodiment 2, the device comprises a circulating water outlet pipe and a heat exchanger 8, wherein the cooling side of the heat exchanger 8 is arranged between the outlet of an industrial water user and the inlet of an industrial water tank, and the heating side is communicated with the circulating water outlet pipe. The outlet and inlet of the cooling side of the heat exchanger 8 are respectively provided with a heat exchanger cooling side outlet valve 82 and a heat exchanger cooling side inlet valve 81, and the outlet and inlet of the heating side of the heat exchanger 8 are respectively provided with a heat exchanger heating side outlet valve 84 and a heat exchanger heating side inlet valve 83.
The pressure of the circulating water outlet water of the power plant and the circulating water of the industrial water is relatively low, so that the heat exchanger 8 can be a plate heat exchanger in the surface heat exchangers.
The temperature of the circulating water outlet of the power plant is about 35 ℃ and has a large water quantity, and the temperature of the industrial water return water is about 50 ℃, so that the temperature difference generated by the circulating water outlet and the industrial water return water provides possibility for cooling the industrial water return water. In this embodiment, if the water inlet of the circulating water is adopted, a better cooling effect can be provided, but the temperature of the water inlet of the circulating water changes more rapidly in the region of the middle and lower reaches of the Yangtze river, a certain influence can be generated on the cooling effect of the industrial water backwater, so that the temperature adjustment of the industrial water system is influenced, the temperature of the water outlet of the circulating water is stable, and the temperature of the industrial water system can be kept relatively stable although a certain cooling effect is sacrificed.
It should be noted that, in the description of the present utility model, the positional or positional relation indicated by the terms such as "upper", "lower", "left", "right", "front", "rear", etc. are merely for convenience of describing the present utility model based on the description of the structure of the present utility model shown in the drawings, and are not intended to indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The terms "first" and "second" in this technical solution are merely references to the same or similar structures, or corresponding structures that perform similar functions, and are not an arrangement of the importance of these structures, nor are they ordered, or are they of a comparative size, or other meaning.
In addition, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., the connection may be a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two structures. It will be apparent to those skilled in the art that the specific meaning of the terms described above in this application may be understood in the light of the general inventive concept in connection with the present application.
Claims (5)
1. An industrial water cooling system of a thermal power plant is used for circularly cooling industrial water and comprises an industrial water tank, an industrial water pump and an industrial water user, wherein an outlet of the industrial water tank is connected with an inlet of the industrial water pump, an outlet of the industrial water pump is connected with an inlet of the industrial water user, and an outlet of the industrial water user is connected with an inlet of the industrial water tank;
the method is characterized in that: the system comprises a cooling tower (5), wherein an outlet of an industrial water user is connected with an inlet of the cooling tower (5), and an outlet of the cooling tower (5) is connected with an inlet of an industrial water tank;
including controller (6) and temperature transmitter (7), the export of industry pond is provided with temperature transmitter (7), temperature transmitter (7) are used for monitoring industry pond exit industrial water's temperature, be provided with on the return circuit of cooling tower (5) to industry pond import and adjust door (51), adjust door (51) and controller (6) electric connection, controller (6) can adjust the aperture of adjusting door (51) through the change of industry pond exit industrial water's temperature.
2. An industrial water cooling system for a thermal power plant according to claim 1, wherein: the device comprises a circulating water outlet pipe and a heat exchanger (8), wherein the cooling side of the heat exchanger (8) is arranged between the outlet of an industrial water user and the inlet of an industrial water pool, and the heating side is communicated with the circulating water outlet pipe.
3. An industrial water cooling system for a thermal power plant according to claim 2, wherein: the outlet and the inlet of the cooling side of the heat exchanger (8) are respectively provided with a heat exchanger cooling side outlet valve (82) and a heat exchanger cooling side inlet valve (81), and the outlet and the inlet of the heating side of the heat exchanger (8) are respectively provided with a heat exchanger heating side outlet valve (84) and a heat exchanger heating side inlet valve (83).
4. An industrial water cooling system for a thermal power plant according to claim 1, wherein: the industrial water pump comprises a plurality of industrial water pumps which are mutually connected in parallel on the outlet of the industrial water tank.
5. An industrial water cooling system for a thermal power plant according to claim 1, wherein: a cooling tower water return valve is arranged between the outlet of the cooling tower (5) and the inlet of the industrial water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320350381.0U CN219624522U (en) | 2023-03-01 | 2023-03-01 | Industrial water cooling system of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320350381.0U CN219624522U (en) | 2023-03-01 | 2023-03-01 | Industrial water cooling system of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219624522U true CN219624522U (en) | 2023-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320350381.0U Active CN219624522U (en) | 2023-03-01 | 2023-03-01 | Industrial water cooling system of thermal power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219624522U (en) |
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2023
- 2023-03-01 CN CN202320350381.0U patent/CN219624522U/en active Active
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