CN217383846U

CN217383846U - Energy-saving utilization device of cooling tower of thermal power plant

Info

Publication number: CN217383846U
Application number: CN202220912157.1U
Authority: CN
Inventors: 雷震宇; 范寅虎; 王璟; 肖瑾; 张耀祖
Original assignee: Huaneng Chaohu Power Generation Co Ltd
Current assignee: Huaneng Chaohu Power Generation Co Ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-09-06
Anticipated expiration: 2032-04-19

Abstract

The utility model belongs to the technical field of the energy conservation of the circulating water cooling system of thermal power plant, a energy-conserving utilization equipment of cooling tower of thermal power plant is disclosed, including cooling tower, the steam engine that is connected with cold pouring mechanism and the heat displacement mechanism that is used for retrieving the steam heat, the water of cooling tower is carried to through the first pipeline the heat displacement mechanism is carried to the steam engine through the second pipeline again, the steam of steam engine is carried to through the third pipeline the heat displacement mechanism is carried to in the cooling tower through the fourth pipeline again; this device utilizes steam to retrieve through setting up heat replacement mechanism and preheats the water that heats vaporization, preheats the water that needs heat vaporization, and hot steam carries out hot replacement back with water and then sprays inside the condensation at cooling tower, also liquefies more easily, improves the energy utilization.

Description

Energy-saving utilization device of cooling tower of thermal power plant

Technical Field

The utility model relates to a thermal power plant's circulating water cooling system energy-conserving technical field especially relates to an energy-conserving device that utilizes of cooling tower of thermal power plant.

Background

Along with the development of the power grid in China, more and more power generation forms are provided, including new energy power generation, water resource power generation, nuclear power generation and the like, the living development space of the thermal power plant is extremely compressed, the profit space of the thermal power plant is further reduced, the deep excavation and diving significance of the energy-saving field of the thermal power plant is important in the current living and operation situation of the thermal power plant, and the current thermal power circulating cooling water has the following defects: the evaporation capacity of a circulating water system is large, the water consumption of a water cooling tower is large, the water resource loss is large, and enterprises have certain economic cost in industrial water purchase.

In the existing water cooling tower, hot gas is basically directly transmitted into the water cooling tower for dispersion, and then cold water is sprayed and cooled, so that heat is wasted.

SUMMERY OF THE UTILITY MODEL

To prior art not enough, the utility model provides a cooling tower's of thermal power plant energy-conservation utilizes device carries out the heat transfer through setting up the water that heat replacement mechanism will need let in cooling tower's steam and needs input steam engine, and steam preheats the water that the vaporization is heated to needs for the heat of steam obtains recycle.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the energy-saving utilization device of the water cooling tower of the thermal power plant comprises the water cooling tower connected with a cold pouring mechanism, a steam engine and a heat replacement mechanism used for recovering steam heat, wherein water of the water cooling tower is conveyed to the heat replacement mechanism through a first pipeline and then conveyed to the steam engine through a second pipeline, and steam of the steam engine is conveyed to the heat replacement mechanism through a third pipeline and then conveyed into the water cooling tower through a fourth pipeline.

In some embodiments of the present application, the hot-replacement mechanism includes a replacement bucket and a spiral pipe disposed in the replacement bucket, the replacement bucket has a water inlet and a water outlet, the water inlet is communicated with the first pipeline, and the water outlet is communicated with the second pipeline; and two ends of the spiral pipe are respectively communicated with three pipelines and a fourth pipeline.

In some embodiments of the present application, the helical tube is disposed coaxially with the displacement drum.

In some embodiments of the present application, a blade is disposed at the center of the bottom of the displacement cylinder, the position of the blade corresponds to the position of the water inlet, and a stirring shaft is inserted into the center of the blade and penetrates through the spiral pipe.

In some embodiments of the present application, the first and second pipes are connected to the displacement barrel by flanges, and the third and fourth pipes are connected to the spiral pipe by threads.

In some embodiments of the present application, a water pump for delivering water is disposed on the first pipe, and a filter for filtering water is disposed on the second pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a set up the heat replacement mechanism and make the water that need input into the steamer and heat the vaporization to the refrigerated steam of cooling tower and carry out the heat exchange, the water is preheated after absorbing the heat of steam, has improved the efficiency that follow-up steamer heated, makes the heat of steam obtain recycle, and steam is sprayed inside the cooling tower after absorbing the heat and condenses, also liquefies more easily, has improved work efficiency; in addition, fan blades and a stirring shaft are arranged in the heat exchange mechanism, and the stirring shaft rotates along with the fan blades, so that the water fluidity of heat exchange is larger, the heat exchange efficiency is improved, and the heat exchange effect is improved.

Drawings

Fig. 1 is one of the schematic structural diagrams of the energy-saving utilization device of the cooling tower of the thermal power plant of the present invention;

FIG. 2 is one of the schematic structural diagrams of the energy-saving utilization device of the cooling tower of the thermal power plant of the present invention;

fig. 3 is one of the structural schematic diagrams of the heat exchange mechanism of the energy-saving utilization device of the cooling tower of the thermal power plant of the present invention;

fig. 4 is one of the structural schematic diagrams of the heat exchanging mechanism of the energy-saving utilization device of the cooling tower of the thermal power plant.

In the figure, 1, a first pipeline; 2. a second conduit; 3. a third pipeline; 4. a fourth pipe; 5. a water delivery pump; 6. a filter; 100. a water cooling tower; 200. a cold pouring mechanism; 300. a heat exchanging mechanism; 301. replacing the barrel; 302. a spiral tube; 303. a fan blade; 304. a stirring shaft; 400. a steam engine.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to 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 application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of "a plurality" is two or more unless otherwise specified.

In the description of the present application, it is to 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 meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

As shown in fig. 1 to 3, in some embodiments of the present application, an energy-saving utilization apparatus for a cooling tower of a thermal power plant includes a cooling tower 100, a steamer 400, and a hot replacement mechanism 300, which are connected to each other through a pipeline, the cooling tower 100 is connected to a cold pouring mechanism 200, the hot replacement mechanism 300 includes a cylindrical replacement barrel 301 and a spiral pipe 302, the replacement barrel 301 has a water inlet and a water outlet on a side wall, the water inlet is provided at the bottom of the side wall and is communicated with the cooling tower 100 through a first pipeline 1, and the water outlet is provided at the top of the side wall and is communicated with the steamer 400 through a second pipeline 2; the spiral pipe 302 is coaxially arranged in the replacement barrel 301, one end of the top of the spiral pipe 302 is communicated with the steamer 400 through the third pipeline 3, and one end of the bottom of the spiral pipe 302 is communicated with the water cooling tower 100 through the fourth pipeline 4; the water that needs input steam engine 400 from cooling tower 100 and carry out vaporization passes through in first pipeline 1 gets into replacement bucket 301, the steam that need let in cooling tower 100 condensation in the steam engine 400 also gets into in spiral pipe 302 through third pipeline 3, steam and water carry out the heat transfer in hot replacement device mechanism 300 after, steam gets into cooling tower 100 through fourth pipeline 4, water after the heating gets into steam engine 400 through second pipeline 2, make the heat of steam obtain recycle, and steam is sprayed again after the heat absorption and condenses inside cooling tower 100, also liquefy more easily, and the work efficiency is improved, and energy is saved.

It should be noted that, in order to improve the water conveying efficiency, a water conveying pump 5 is arranged on the first pipeline 1; to ensure the quality of the water supply to the steamer 400, a filter 6 for filtering impurities is provided on the second pipe 2.

In some embodiments of the present application, to ensure the sealing property of the connection between the pipeline and the replacement bucket 301, the first pipeline 1 is connected to the water inlet of the replacement bucket 301, and the second pipeline 2 is connected to the water outlet of the replacement bucket 301 through flanges; the pipeline at the both ends of spiral pipe 302 is provided with the internal thread, all is provided with the external screw thread on third pipeline 3 and the fourth pipeline 4, spiral pipe 302 and third pipeline 3 and fourth pipeline 4 threaded connection.

For further optimizing above-mentioned embodiment, replacement bobbin base portion center department is provided with flabellum 303, and the position of flabellum 303 corresponds with the position of water inlet, and the center of flabellum 303 is pegged graft and is had (mixing) shaft 304, and (mixing) shaft 304 wears to locate in spiral pipe 302, and rivers pass through first pipeline 1 and spout impact flabellum 303, and flabellum 303 drives (mixing) shaft 304 and rotates, and the water in replacement bucket 301 can obtain better mixture under the effect of (mixing) shaft 304, improves heat exchange efficiency.

To sum up, the utility model provides an energy-conserving device that utilizes of cold water tower of thermal power plant, the water delivery pump is taken cold water out from the cold water tower and is filled up inside the replacement bucket through first pipeline, cold water arrives the steam engine after second pipeline and filter, after the vaporization power generation process that generates heat through the steam engine, hot water vapor passes through the third pipeline and transmits to the spiral pipe inside, from the top down through the spiral pipe, the replacement bucket is full of cold water inside simultaneously, the heat in the hot steam in the spiral pipe is displaced to the cold water of replacement bucket, preheat cold water, simultaneously because water gets into and strikes the flabellum in the replacement bucket, the flabellum rotates and drives the (mixing) shaft to rotate under the impact of rivers, the (mixing) shaft stirs the mobility that strengthens water to water, heat exchange efficiency is improved; the temperature of the water is increased after the water absorbs heat in the replacement barrel, so that the subsequent steam engine is convenient to heat, the temperature of the hot steam is reduced after replacement, and the hot steam is sprayed into the water cooling tower for condensation and is easier to liquefy; the device recovers the recovered steam, improves the utilization of energy sources and saves the production cost of a power plant.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an energy-conserving device that utilizes of cold water tower (100) of thermal power plant, its characterized in that, including cold water tower (100) that is connected with cold mechanism of pouring, steam engine (400) and heat replacement mechanism (300) that are used for retrieving the steam heat, the water of cold water tower (100) is carried extremely through first pipeline (1) heat replacement mechanism (300) are carried extremely through second pipeline (2) steam engine (400), the steam of steam engine (400) is carried extremely through third pipeline (3) heat replacement mechanism (300) are carried extremely through fourth pipeline (4) in cold water tower (100).

2. The energy-saving utilization device of the cooling tower (100) in the thermal power plant as claimed in claim 1, wherein the heat exchange mechanism (300) comprises a replacement barrel (301) and a spiral pipe (302) arranged in the replacement barrel (301), the replacement barrel (301) is provided with a water inlet and a water outlet, the water inlet is communicated with the first pipeline (1), and the water outlet is communicated with the second pipeline (2); and two ends of the spiral pipe (302) are respectively communicated with three pipelines and a fourth pipeline (4).

3. The energy-saving utilization device of the cooling tower (100) of the thermal power plant as claimed in claim 2, wherein the spiral pipe (302) is coaxially arranged with the replacement barrel (301).

4. The energy-saving utilization device of the water cooling tower (100) in the thermal power plant according to claim 3, wherein a blade is arranged at the center of the bottom of the replacement barrel, the position of the blade corresponds to the position of the water inlet, a stirring shaft (304) is inserted into the center of the blade, and the stirring shaft (304) penetrates through the spiral pipe (302).

5. The energy-saving utilization device of the cooling tower (100) in the thermal power plant as claimed in claim 2, wherein the first pipeline (1) and the second pipeline (2) are both connected with the replacement barrel (301) through flanges, and the third pipeline (3) and the fourth pipeline (4) are both connected with the spiral pipe (302) through threads.

6. The energy-saving utilization device of the cooling tower (100) of the thermal power plant as claimed in claim 1, wherein a water delivery pump (5) for delivering water is arranged on the first pipeline (1), and a filter (6) for filtering water is arranged on the second pipeline (2).